chore(deps): bump actions/upload-artifact from 4 to 7 (#22)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 7.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v7)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -54,7 +54,7 @@ jobs:
       - name: Build the distributable
         run: ./gradlew buildPlugin
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         with:
           name: plugin-zip
           path: plugin/build/distributions/*.zip
@@ -103,7 +103,7 @@ jobs:
             echo "- verified against $(basename "$d")" >> "$GITHUB_STEP_SUMMARY"
           done
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v7
         if: always()
         with:
           name: plugin-verifier-reports