[CI] Change to use private registry

.github/workflows/ci.yml

@@ -65,22 +65,19 @@ jobs:
     name: Docker image
     needs: [lint, unit, e2e]
     runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      packages: write
     steps:
       - uses: actions/checkout@v5
       - uses: docker/setup-buildx-action@v3
       - uses: docker/login-action@v3
         if: github.event_name != 'pull_request'
         with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          registry: registry.pumppi.dev
+          username: ${{ secrets.REGISTRY_USER }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
       - id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ghcr.io/${{ github.repository }}
+          images: registry.pumppi.dev/workh
           tags: |
             type=ref,event=branch
             type=ref,event=pr