Bump actions/upload-artifact from 5 to 6 (#621)

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

Author: dependabot[bot]

.github/workflows/android-ci.yml

@@ -34,7 +34,7 @@ jobs:
 
       - name: Upload artifact
         if: github.event_name == 'pull_request'
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         id: app-debug-apk-upload-step
         with:
           name: app-debug-apk