fix(255): update pr workflow too

.github/workflows/pull_request.yaml

@@ -83,11 +83,12 @@ jobs:
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v1
 
-    - name: Login to Registry
-      uses: docker/login-action@v1
+    - name: Login to Docker registry ${{env.REGISTRY}}
+      uses: docker/login-action@v1.14.1
       with:
-        username: ${{ secrets.STAKATER_DOCKERHUB_USERNAME }}
-        password: ${{ secrets.STAKATER_DOCKERHUB_PASSWORD }}
+        registry: ${{env.REGISTRY}}
+        username: ${{github.actor}}
+        password: ${{secrets.GITHUB_TOKEN}}
 
     - name: Generate image repository path
       run: |