fix(ci): Update Gitea release action URL to use direct link

Replaced the versioned action reference with a direct link to the Gitea
release action repository. This ensures the workflow uses the latest
source and improves maintainability by directly linking to the action
author's repository.

.gitea/workflows/build-kernel.yml

@@ -109,7 +109,7 @@ jobs:
           (cd package && zip -r "../${repo}-${{ github.ref_name }}.zip" "$repo")
 
       - name: Publish to Gitea release
-        uses: actions/gitea-release-action@v1.3.6
+        uses: https://gitea.com/actions/gitea-release-action@v1.3.6
         with:
           api_key: ${{ secrets.GITEA_TOKEN }}
           files: |-