ci(issues): Refactor issue templates

.github/ISSUE_TEMPLATE/1-bug-report.yml

@@ -0,0 +1,43 @@
+name: Bug Report
+description: Report an issue related to UI5 Renovate Preset Config
+type: Bug
+body:
+  - type: markdown
+    attributes: 
+      value: |
+        Please have a look at our [contributing guidelines](https://github.com/UI5/renovate-config/blob/main/CONTRIBUTING.md#-reporting-issues) on reporting issues.
+
+        > [!TIP]
+        > You can easily create an MRE using a fork of our [OpenUI5 sample app](https://github.com/SAP/openui5-sample-app).
+        > 
+        > Alternatively, share a version of your existing project that has been stripped down to a minimum sufficient to reproduce the issue.  
+        > Please do not share real business data or other sensitive information.
+  - type: textarea
+    id: steps-to-reproduce
+    attributes:
+      label: What is the issue and how can we reproduce it?
+      description: |
+        To help us understand and resolve the issue efficiently, please provide a **minimal reproducible example** (required) and steps that clearly illustrate the unexpected behavior.
+      value: |
+        1. Use following renovate.json config file ...
+        2. Check PR #XX on ...
+        3. ... --> **Issue:** ...
+
+        #### Error:
+        > ...
+
+        #### Expected behavior:
+        ...
+    validations:
+      required: true
+  - type: checkboxes
+    id: issue-checked
+    attributes:
+      label: Confirmation
+      description: |
+        To avoid duplicates and ensure efficient issue resolution, please double-check whether a similar issue has been reported or discussed already either in this UI5 Renovate Preset Config repository or at community sites like [Stack Overflow](https://stackoverflow.com/search?tab=active&q=%5bui5-renovate-preset-config%5d%20is%3aquestion&searchOn=3).
+      options:
+        - label: I have searched the existing issues and reviewed the relevant documentation as well as the UI5 Renovate Preset Config documentation.
+          required: true
+        - label: I am not disclosing any internal or sensitive information.
+          required: true

.github/ISSUE_TEMPLATE/2-feature-request.yml

@@ -0,0 +1,34 @@
+name: Feature Request
+description: Request a new feature to be added to UI5 Renovate Preset Config
+type: Feature
+body:
+  - type: markdown
+    attributes:
+      value: | 
+        Please have a look at our [contributing guidelines](https://github.com/UI5/renovate-config/blob/main/CONTRIBUTING.md#-feature-requests) on requesting features to be added to UI5 Renovate Preset Config.
+  - type: textarea
+    id: background-information
+    attributes:
+      label: Why are you proposing this feature?
+      description: A clear and concise description of the underlying scenario to be covered and whats's missing in UI5 Renovate Preset Config. Provide any relevant background information that helps explain why this feature would be beneficial.
+      placeholder: A clear and concise description of the underlying scenario to be covered and whats's missing in UI5 Renovate Preset Config. Provide any relevant background information that helps explain why this feature would be beneficial.
+    validations:
+      required: true
+  - type: textarea
+    id: possible-solution
+    attributes:
+      label: How should a possible solution look like?
+      description: A clear and concise description of what you want to happen.
+      placeholder: A clear and concise description of what you want to happen.
+  - type: textarea
+    id: alternative-solution
+    attributes:
+      label: Are there alternative approaches?
+      description: A clear and concise description of any alternative solutions or features you've considered.
+      placeholder: A clear and concise description of any alternative solutions or features you've considered.
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Any further information you would like to share?
+      description: Add any other context or screenshots about the feature request here.
+      placeholder: Add any other context or screenshots about the feature request here.

CONTRIBUTING.md

@@ -47,11 +47,14 @@ If you find any bug that may be a security problem, please follow the instructio
 
 GitHub offers labels to categorize issues. The labels can only be set and modified by committers.
 
-#### General issue categories:
+#### General issue types:
+
+- **`Bug`**: This issue is a bug in the code.
+- **`Feature`**: This is not a bug report, but a feature request.
+
+#### Specific issue categories for UI5 Renovate Preset Config:
 
-- **`bug`**: This issue is caused by a bug in the code.
 - **`documentation`**: This issue is documentation-related.
-- **`enhancement`**: This is not a bug report but an enhancement request.
 - **`needs triage`**: This issue needs to be investigated and confirmed as a valid issue that is not a duplicate
 
 ##### Status of an open issue: