workflows/labels: prevent error on token creation for Test workflow (#437094)

Author: wolfgangwalther

.github/workflows/labels.yml

@@ -50,7 +50,7 @@ jobs:
 
       # Use a GitHub App, because it has much higher rate limits: 12,500 instead of 5,000 req / hour.
       - uses: actions/create-github-app-token@0f859bf9e69e887678d5bbfbee594437cb440ffe # v2.1.0
-        if: vars.NIXPKGS_CI_APP_ID
+        if: github.event_name != 'pull_request' && vars.NIXPKGS_CI_APP_ID
         id: app-token
         with:
           app-id: ${{ vars.NIXPKGS_CI_APP_ID }}

ci/github-script/run

@@ -49,7 +49,7 @@ program
   .option('--no-dry', 'Make actual modifications')
   .action(async (owner, repo, pr, options) => {
     const prepare = (await import('./prepare.js')).default
-    run(prepare, owner, repo, pr, options)
+    await run(prepare, owner, repo, pr, options)
   })
 
 program
@@ -61,7 +61,7 @@ program
   .option('--no-cherry-picks', 'Do not expect cherry-picks.')
   .action(async (owner, repo, pr, options) => {
     const commits = (await import('./commits.js')).default
-    run(commits, owner, repo, pr, options)
+    await run(commits, owner, repo, pr, options)
   })
 
 program
@@ -77,7 +77,7 @@ program
     try {
       process.env.GITHUB_WORKSPACE = tmp
       process.chdir(tmp)
-      run(labels, owner, repo, pr, options)
+      await run(labels, owner, repo, pr, options)
     } finally {
       rmSync(tmp, { recursive: true })
     }