Add descriptive job name for skipped fork-PR private downstream tests

When a URL-based package is skipped on a fork PR, show
"(fork PR - use /integrationtest to run)" in the job name.
Testing whether name expressions resolve for skipped jobs.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: mtfishman

.github/workflows/IntegrationTest.yml

@@ -34,7 +34,10 @@ on:
 
 jobs:
   test:
-    name: ${{ inputs.pkg }}
+    name: >-
+      ${{ (inputs.is-fork-pr && (startsWith(inputs.pkg, 'https://') || startsWith(inputs.pkg, 'git@')))
+      && format('{0} (fork PR - use /integrationtest to run)', inputs.pkg)
+      || inputs.pkg }}
     if: >-
       (!github.event.pull_request.draft || inputs.run-on-draft) &&
       !(inputs.is-fork-pr && (startsWith(inputs.pkg, 'https://') || startsWith(inputs.pkg, 'git@')))