chore: fix missing docker login step

.github/workflows/publish.yml

@@ -146,6 +146,12 @@ jobs:
     needs: [e2e-base, e2e-vaults]
     runs-on: ubuntu-latest
     steps:
+      - name: Login to Docker Hub
+        if: "${{ contains(github.event.head_commit.message, 'skip e2e') == false }}"
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
       - name: Publish SNJS Docker image as stable
         if: "${{ contains(github.event.head_commit.message, 'skip e2e') == false }}"
         run: |