Update README.md (#339)

martintali · web-flow · commit e97ff91f1c66 · 2022-06-13T10:14:50.000-04:00
diff --git a/README.md b/README.md
@@ -43,6 +43,7 @@ This action requires:
 ```yaml
 jobs:
   job_id:
+    runs-on: ubuntu-latest
     permissions:
       contents: 'read'
       id-token: 'write'
