Refactor Github Action per b/485167538

Author: benknutson-google

.github/workflows/generate-updates.yml

@@ -29,4 +29,6 @@ jobs:
         run: "gem install --no-document toys"
       - name: execute
         run: |
-          toys generate-updates -v --fork --use-dam ${{ github.event.inputs.args }}
+          toys generate-updates -v --fork --use-dam ${GITHUB_EVENT_INPUTS_ARGS}
+        env:
+          GITHUB_EVENT_INPUTS_ARGS: ${{ github.event.inputs.args }}

.github/workflows/presubmit.yml

@@ -35,4 +35,6 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: Required checks collector
-        run: 'test "${{ needs.tests.result }}" = "success"'
+        run: 'test "${NEEDS_TESTS_RESULT}" = "success"'
+        env:
+          NEEDS_TESTS_RESULT: ${{ needs.tests.result }}