Bump actions/upload-artifact from 6 to 7 (#450)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 6 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v6...v7)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]

.github/workflows/maven.yaml

@@ -21,7 +21,7 @@ jobs:
           zip -r cursor-rules.zip .cursor/
           echo "Created cursor-rules.zip with $(du -h cursor-rules.zip | cut -f1) size"
       - name: Upload Cursor Rules Archive
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: cursor-rules
           path: cursor-rules.zip