change to GH token

.gitea/workflows/renovate.yml

@@ -37,10 +37,11 @@ jobs:
           RENOVATE_TOKEN: ${{ secrets.RENOVATE_TOKEN }}
 
           # Optional: GitHub token for accessing GitHub releases
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          # Note: Use GH_TOKEN not GITHUB_TOKEN (Gitea naming restrictions)
+          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
 
           # Logging
           LOG_LEVEL: info
 
           # Ensure we use the correct config
-          RENOVATE_REQUIRE_CONFIG: optional
+          RENOVATE_REQUIRE_CONFIG: optional