Fix unauthorized error by using GITHUB_TOKEN instead of GITEA_TOKEN

.gitea/workflows/docker-build.yml

@@ -17,9 +17,9 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      # Simple login directly with docker login (ensure your runner allows HTTP if not SSL)
+      # Simple login directly with docker login
       - name: Log in to the Container registry
-        run: echo "${{ secrets.GITEA_TOKEN }}" | docker login ${{ env.REGISTRY }} -u "${{ gitea.actor }}" --password-stdin
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ${{ env.REGISTRY }} -u "${{ gitea.actor }}" --password-stdin
 
       # Build standard using docker CLI
       - name: Build Docker image