Switch to pull non-secret values from env (#316)

Author: sethvargo

.github/workflows/integration.yml

@@ -34,8 +34,8 @@ jobs:
 
     - uses: 'google-github-actions/auth@main'
       with:
-        workload_identity_provider: '${{ secrets.WIF_PROVIDER_NAME }}'
-        service_account: '${{ secrets.SERVICE_ACCOUNT_EMAIL }}'
+        workload_identity_provider: '${{ vars.WIF_PROVIDER_NAME }}'
+        service_account: '${{ vars.SERVICE_ACCOUNT_EMAIL }}'
 
     - name: 'Create files'
       run: |-
@@ -48,7 +48,7 @@ jobs:
       uses: './'
       with:
         path: './test'
-        destination: '${{ secrets.BUCKET_NAME }}/testprefix'
+        destination: '${{ vars.BUCKET_NAME }}/testprefix'
 
     - name: 'Get output'
       run: 'echo "${{ steps.upload.outputs.uploaded }}"'

.github/workflows/unit.yml

@@ -48,14 +48,14 @@ jobs:
     # Only authenticate if this is a full CI run.
     - uses: 'google-github-actions/auth@main'
       with:
-        workload_identity_provider: '${{ secrets.WIF_PROVIDER_NAME }}'
-        service_account: '${{ secrets.SERVICE_ACCOUNT_EMAIL }}'
+        workload_identity_provider: '${{ vars.WIF_PROVIDER_NAME }}'
+        service_account: '${{ vars.SERVICE_ACCOUNT_EMAIL }}'
       if: ${{ github.event_name == 'push' || github.repository == github.event.pull_request.head.repo.full_name && github.actor != 'dependabot[bot]' }}
 
     # The secrets will only be injected in pushes to main or from maintainers.
     # If they aren't present, the associated steps are skipped.
     - name: 'npm test'
       run: 'npm run test'
       env:
-        UPLOAD_CLOUD_STORAGE_TEST_BUCKET: '${{ secrets.BUCKET_NAME }}'
-        UPLOAD_CLOUD_STORAGE_TEST_PROJECT: '${{ secrets.PROJECT_ID }}'
+        UPLOAD_CLOUD_STORAGE_TEST_BUCKET: '${{ vars.BUCKET_NAME }}'
+        UPLOAD_CLOUD_STORAGE_TEST_PROJECT: '${{ vars.PROJECT_ID }}'