Update redirecting URLs in reference links

The templates and documentation contain reference links to provide additional information to the users and maintainers.

The targets of some of these links have moved since the time they were added. Although the user could still reach the
intended content via a redirect, it is best not to rely on redirects continuing to work indefinitely. So the URLs are
hereby updated to point directly to the target content.

Author: per1234

.github/dependabot.yml

@@ -1,10 +1,10 @@
-# See: https://docs.github.com/en/code-security/supply-chain-security/configuration-options-for-dependency-updates#about-the-dependabotyml-file
+# See: https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file#about-the-dependabotyml-file
 version: 2
 
 updates:
   # Configure check for outdated GitHub Actions actions in workflows.
   # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/dependabot/README.md
-  # See: https://docs.github.com/en/code-security/supply-chain-security/keeping-your-actions-up-to-date-with-dependabot
+  # See: https://docs.github.com/code-security/dependabot/working-with-dependabot/keeping-your-actions-up-to-date-with-dependabot
   - package-ecosystem: github-actions
     directory: / # Check the repository's workflows under /.github/workflows/
     assignees:

.github/workflows/check-certificates.yml

@@ -1,7 +1,7 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-certificates.md
 name: Check Certificates
 
-# See: https://docs.github.com/en/actions/reference/events-that-trigger-workflows
+# See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   push:
     paths:
@@ -41,7 +41,7 @@ jobs:
     steps:
       - name: Set certificate path environment variable
         run: |
-          # See: https://docs.github.com/en/actions/reference/workflow-commands-for-github-actions#setting-an-environment-variable
+          # See: https://docs.github.com/actions/writing-workflows/choosing-what-your-workflow-does/workflow-commands-for-github-actions#setting-an-environment-variable
           echo "CERTIFICATE_PATH=${{ runner.temp }}/certificate.p12" >> "$GITHUB_ENV"
 
       - name: Decode certificate

.github/workflows/check-general-formatting-task.yml

@@ -1,7 +1,7 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-general-formatting-task.md
 name: Check General Formatting
 
-# See: https://docs.github.com/en/actions/reference/events-that-trigger-workflows
+# See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   push:
   pull_request:
@@ -20,7 +20,7 @@ jobs:
     steps:
       - name: Set environment variables
         run: |
-          # See: https://docs.github.com/en/actions/reference/workflow-commands-for-github-actions#setting-an-environment-variable
+          # See: https://docs.github.com/actions/writing-workflows/choosing-what-your-workflow-does/workflow-commands-for-github-actions#setting-an-environment-variable
           echo "EC_INSTALL_PATH=${{ runner.temp }}/editorconfig-checker" >> "$GITHUB_ENV"
 
       - name: Checkout repository
@@ -48,7 +48,7 @@ jobs:
           # Give the binary a standard name
           mv "${{ env.EC_INSTALL_PATH }}/bin/ec-linux-amd64" "${{ env.EC_INSTALL_PATH }}/bin/ec"
           # Add installation to PATH:
-          # See: https://docs.github.com/en/actions/reference/workflow-commands-for-github-actions#adding-a-system-path
+          # See: https://docs.github.com/actions/writing-workflows/choosing-what-your-workflow-does/workflow-commands-for-github-actions#adding-a-system-path
           echo "${{ env.EC_INSTALL_PATH }}/bin" >> "$GITHUB_PATH"
 
       - name: Check formatting

.github/workflows/check-go-dependencies-task.yml

@@ -5,7 +5,7 @@ env:
   # See: https://github.com/actions/setup-go/tree/main#supported-version-syntax
   GO_VERSION: "1.17"
 
-# See: https://docs.github.com/actions/using-workflows/events-that-trigger-workflows
+# See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   create:
   push:

.github/workflows/check-go-task.yml

@@ -5,7 +5,7 @@ env:
   # See: https://github.com/actions/setup-go/tree/main#supported-version-syntax
   GO_VERSION: "1.17"
 
-# See: https://docs.github.com/en/actions/reference/events-that-trigger-workflows
+# See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   create:
   push:

.github/workflows/check-license.yml

@@ -6,7 +6,7 @@ env:
   # SPDX identifier: https://spdx.org/licenses/
   EXPECTED_LICENSE_TYPE: GPL-3.0
 
-# See: https://docs.github.com/en/actions/reference/events-that-trigger-workflows
+# See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   push:
     paths:

.github/workflows/check-markdown-task.yml

@@ -5,7 +5,7 @@ env:
   # See: https://github.com/actions/setup-go/tree/main#supported-version-syntax
   GO_VERSION: "1.17"
 
-# See: https://docs.github.com/en/actions/reference/events-that-trigger-workflows
+# See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   push:
     paths:

.github/workflows/check-mkdocs-task.yml

@@ -7,7 +7,7 @@ env:
   # See: https://github.com/actions/setup-python/tree/main#available-versions-of-python
   PYTHON_VERSION: "3.9"
 
-# See: https://docs.github.com/en/actions/reference/events-that-trigger-workflows
+# See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   push:
     paths:

.github/workflows/check-prettier-formatting-task.yml

@@ -1,7 +1,7 @@
 # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-prettier-formatting-task.md
 name: Check Prettier Formatting
 
-# See: https://docs.github.com/en/free-pro-team@latest/actions/reference/events-that-trigger-workflows
+# See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   push:
     paths:

.github/workflows/check-python-task.yml

@@ -5,7 +5,7 @@ env:
   # See: https://github.com/actions/setup-python/tree/main#available-versions-of-python
   PYTHON_VERSION: "3.9"
 
-# See: https://docs.github.com/en/actions/reference/events-that-trigger-workflows
+# See: https://docs.github.com/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
 on:
   push:
     paths: