Update script action version and code

Some api changes and better variable naming.

b/290997541

.github/workflows/unit_test_report.yaml

@@ -30,29 +30,29 @@ jobs:
       steps:
         - name: Collect Unit Test Reports
           id: collect-report
-          uses: actions/github-script@v6.4.1
+          uses: actions/github-script@v6
           with:
             script: |
-              var artifacts = await github.actions.listWorkflowRunArtifacts({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                run_id: ${{github.event.workflow_run.id }},
+              let allArtifacts = await github.rest.actions.listWorkflowRunArtifacts({
+                  owner: context.repo.owner,
+                  repo: context.repo.repo,
+                  run_id: context.payload.workflow_run.id,
               });
-              var results = artifacts.data.artifacts.filter((artifact) => {
+              let matchArtifact = allArtifacts.data.artifacts.filter((artifact) => {
                 return artifact.name == "unit-test-results"
               });
-              if (results.length == 0) {
-                // No reports to upload.
+              if (matchArtifact.length == 0) {
+                // No reports were uploaded.
                 return false;
               }
-              var download = await github.actions.downloadArtifact({
-                owner: context.repo.owner,
-                repo: context.repo.repo,
-                artifact_id: results.id,
-                archive_format: 'zip',
+              let download = await github.rest.actions.downloadArtifact({
+                  owner: context.repo.owner,
+                  repo: context.repo.repo,
+                  artifact_id: matchArtifact.id,
+                  archive_format: 'zip',
               });
-              var fs = require('fs');
-              fs.writeFileSync('${{github.workspace}}/unit-test-results.zip', Buffer.from(download.data));
+              let fs = require('fs');
+              fs.writeFileSync(`${process.env.GITHUB_WORKSPACE}/unit-test-results.zip`, Buffer.from(download.data));
               return true;
         - run: unzip unit-test-results.zip -d unit-test-results
           if: steps.collect-report.outputs.result