fix(ci): use registry token secret for image publish

.gitea/workflows/deploy.yaml

@@ -26,14 +26,14 @@ jobs:
       - name: Push image to Gitea registry
         shell: bash -l {0}
         env:
-          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
+          REGISTRY_TOKEN: ${{ secrets.REGISTRY_TOKEN }}
         run: |
           set -euo pipefail
           SHA=$(git rev-parse --short HEAD)
           TOKEN=$(
             curl -fsS \
               "https://gitea.coulomb.social/v2/token?service=container_registry&scope=repository:coulomb/inter-hub:push,pull" \
-              -u "tegwick:${GITEA_TOKEN}" \
+              -u "tegwick:${REGISTRY_TOKEN}" \
               | awk -F'"' '/token/{print $4}'
           )
           if [ -z "${TOKEN}" ]; then