Refactor Github Action per b/485167538

Author: benknutson-google

.github/workflows/forked_pr_workflow_check.yml

@@ -27,4 +27,6 @@ jobs:
     steps:
       - run: >
           ${{ github.event.pull_request.head.repo.full_name == 'protocolbuffers/protobuf' }} ||
-          (echo "This pull request is from an unsafe fork (${{ github.event.pull_request.head.repo.full_name }}) and isn't allowed to modify workflow files!" && exit 1)
+          (echo "This pull request is from an unsafe fork (${GITHUB_EVENT_PULL_REQUEST_HEAD_REPO_FULL_NAME}) and isn't allowed to modify workflow files!" && exit 1)
+        env:
+          GITHUB_EVENT_PULL_REQUEST_HEAD_REPO_FULL_NAME: ${{ github.event.pull_request.head.repo.full_name }}

.github/workflows/test_java.yml

@@ -82,8 +82,10 @@ jobs:
         architecture: linux-x86_64
     - name: Move protoc into place and clean up
       run: |
-        mv ${{ steps.build-protoc.outputs.protoc }} protoc
+        mv ${STEPS_BUILD_PROTOC_OUTPUTS_PROTOC} protoc
         sudo rm -rf _build
+      env:
+        STEPS_BUILD_PROTOC_OUTPUTS_PROTOC: ${{ steps.build-protoc.outputs.protoc }}
     - name: Install snapshot version locally (not using generated pom.xml)
       run: |
         mvn -e -B -Dhttps.protocols=TLSv1.2 install -Dmaven.test.skip=true

.github/workflows/update_php_repo.yml

@@ -43,7 +43,7 @@ jobs:
       - name: Push Changes
         run: |
           git add --all
-          git commit --allow-empty -m "${{ env.VERSION }} sync"
+          git commit --allow-empty -m "${VERSION} sync"
           git push --force origin master
-          git tag -a ${{ env.VERSION_TAG }} -m "Tag release ${{ env.VERSION_TAG }}"
-          git push origin ${{ env.VERSION_TAG }}
+          git tag -a ${VERSION_TAG} -m "Tag release ${VERSION_TAG}"
+          git push origin ${VERSION_TAG}