Add login step to publish job (#147)

Summary:
Pull Request resolved: #147

Because we split the workflow into multiple jobs, we need to re-log in for each job

Reviewed By: wuman

Differential Revision: D35132962

fbshipit-source-id: 8646821387b59a54f04cbb12542b1645280cf80b

.github/workflows/docker-publish.yml

@@ -335,6 +335,13 @@ jobs:
       packages: write
 
     steps:
+    - name: Log into registry ${{ env.REGISTRY }}
+      uses: docker/login-action@v1
+      with:
+        registry: ${{ env.REGISTRY }}
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
     - name: Add tag to commit
       id: tag_version
       uses: mathieudutour/[email protected]