Fix Python version in GitHub release workflow

- Update from Python 3.12 to 3.13 to match project requirements
- Resolves workflow failure due to Python version incompatibility

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: JnyJny

.github/workflows/github-release.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v6
         with:
-          python-version: "3.12"
+          python-version: "3.13"
 
       - name: Create Bogus Git Configuration
         env:
@@ -49,7 +49,7 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v6
         with:
-          python-version: "3.12"
+          python-version: "3.13"
 
       - name: Generate release notes
         id: release_notes