chore(workflows): consolidate release sync into upload workflow

- Remove separate workflow for syncing releases to GitHub
- Integrate release sync steps into the upload-assets workflow
- Simplify workflow management and reduce duplication

.gitea/workflows/upload-assets.yml

@@ -42,3 +42,15 @@ jobs:
 
       - name: Upload SHA256 for ${{ matrix.target }}-${{ matrix.arch }}
         run: .gitea/scripts/upload-asset.sh ./dist/systemd-timer-${{ matrix.target }}-${{ matrix.arch }}.sha256 systemd-timer-${{ matrix.target }}-${{ matrix.arch }}.sha256
+
+      - name: Run Releases Sync Action
+        uses: https://git.0xmax42.io/actions/releases-sync@main
+        with:
+          gitea_token: ${{ secrets.RELEASE_PUBLISH_TOKEN }}
+          gitea_url: https://git.0xmax42.io
+          gitea_owner: maxp
+          gitea_repo: systemd-timer
+          tag_name: ${{ github.event.release.tag_name }}
+          github_token: ${{ secrets.SYNC_GITHUB_TOKEN }}
+          github_owner: 0xmax42
+          github_repo: systemd-timer