ci: use CI_TOKEN PAT for registry push and tag-bump

.gitea/workflows/ci.yml

@@ -66,9 +66,12 @@ jobs:
             curl -sSL "https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize%2Fv5.4.3/kustomize_v5.4.3_linux_amd64.tar.gz" \
               | tar xz -C /usr/local/bin
 
+      # CI_TOKEN: a Gitea Personal Access Token (scopes: write:package, write:repository) owned by
+      # the repo owner, stored as a repo Actions secret. The auto GITEA_TOKEN lacks reliable package
+      # scope on Gitea, hence a dedicated PAT for both the registry push and the tag-bump commit.
       - name: Build & push image to Gitea Packages
         run: |
-          echo "${{ secrets.GITEA_TOKEN }}" | docker login 10.66.15.22:3000 -u "${{ github.actor }}" --password-stdin
+          echo "${{ secrets.CI_TOKEN }}" | docker login 10.66.15.22:3000 -u "${{ github.repository_owner }}" --password-stdin
           docker build -t "$IMAGE:${{ steps.tag.outputs.sha }}" -t "$IMAGE:latest" .
           docker push "$IMAGE:${{ steps.tag.outputs.sha }}"
           docker push "$IMAGE:latest"
@@ -81,5 +84,5 @@ jobs:
           git add k8s/kustomization.yaml
           git diff --cached --quiet && { echo "no image change"; exit 0; }
           git commit -m "ci: deploy ${{ steps.tag.outputs.sha }} [skip ci]"
-          git remote set-url origin "http://gitea-actions:${{ secrets.GITEA_TOKEN }}@10.66.15.22:3000/bmr_bluecap/bcs-website.git"
+          git remote set-url origin "http://${{ github.repository_owner }}:${{ secrets.CI_TOKEN }}@10.66.15.22:3000/bmr_bluecap/bcs-website.git"
           git push origin HEAD:main