build: use fork for the sync action, upstream has not been updated in a long time

Signed-off-by: Esteve Fernandez <esteve@apache.org>

Author: esteve

.github/workflows/rust-minimal.yml

@@ -41,7 +41,7 @@ jobs:
        fetch-depth: 0 # otherwise, you will failed to push refs to dest repo
        ref: refs/heads/${{ github.head_ref }}
 
-    - uses: tokusumi/markdown-embed-code@main
+    - uses: technology-studio-forks/markdown-embed-code@main
       with:
         markdown: "docs/writing-your-first-rclrs-node.md"
         token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/rust-stable.yml

@@ -41,7 +41,7 @@ jobs:
        fetch-depth: 0 # otherwise, you will failed to push refs to dest repo
        ref: refs/heads/${{ github.head_ref }}
 
-    - uses: tokusumi/markdown-embed-code@main
+    - uses: technology-studio-forks/markdown-embed-code@main
       with:
         markdown: "docs/writing-your-first-rclrs-node.md"
         token: ${{ secrets.GITHUB_TOKEN }}