Merge pull request #4049 from github/mbg/start-proxy/job-uuid

Generate job UUID in `start-proxy` action

Author: mbg

.github/workflows/__job-run-uuid-sarif.yml

@@ -21,8 +21,8 @@ steps:
     run: |
       cd "$RUNNER_TEMP/results"
       actual=$(jq -r '.runs[0].properties.jobRunUuid' javascript.sarif)
-      if [[ "$actual" != "$JOB_RUN_UUID" ]]; then
-        echo "Expected SARIF output to contain job run UUID '$JOB_RUN_UUID', but found '$actual'."
+      if [[ "$actual" != "$CODEQL_ACTION_JOB_RUN_UUID" ]]; then
+        echo "Expected SARIF output to contain job run UUID '$CODEQL_ACTION_JOB_RUN_UUID', but found '$actual'."
         exit 1
       else
         echo "Found job run UUID '$actual'."