Don't cancel in progress runs of CLA bot (#2521)

We have a bot that adds comments to the community PRs and triggers a second run of the workflow right away. This means that the first run that was actually checking the CLA gets canceled and the check doesn't run.

.github/workflows/f5-cla.yml

@@ -8,10 +8,10 @@ on:
     types:
       - opened
       - synchronize
+      - reopened
 
 concurrency:
   group: ${{ github.ref_name }}-cla
-  cancel-in-progress: true
 
 permissions:
   contents: read