Refactor Github Action per b/485167538

PiperOrigin-RevId: 872104412

Author: Capirca Team

.github/workflows/docker.yml

@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v4
       - name: Log into registry
         run: |
-          echo "${{ secrets.GITHUB_TOKEN }}" | docker login docker.pkg.github.com -u ${{ github.actor }} --password-stdin
+          echo "${{ secrets.GITHUB_TOKEN }}" | docker login docker.pkg.github.com -u ${GITHUB_ACTOR} --password-stdin
 
       - name: Build and tag the image
         run: docker build . --tag $IMAGE_NAME

.github/workflows/main.yml

@@ -72,7 +72,7 @@ jobs:
         python3 -m pip -v install dist/capirca*py3*.whl
         aclgen --output_directory ./output --logtostderr
         cd ./output/ && \
-          zip -r ../../artifacts/capirca_output_${{ env.wfdt }}.zip .
+          zip -r ../../artifacts/capirca_output_${wfdt}.zip .
         cd ..
         python3 -m pip -v uninstall -y capirca
     - name: Perform end-to-end testing with master branch