Update cla-assistant/github-action action to v2.6.1

Author: renovate[bot]

.github/workflows/cla.yml

@@ -13,7 +13,7 @@ jobs:
       - name: "CLA Assistant"
         if: (github.event.comment.body == 'recheck' || github.event.comment.body == 'I have read the CLA Document and I hereby sign the CLA') || github.event_name == 'pull_request_target'
         # Beta Release
-        uses: cla-assistant/github-action@v2.1.3-beta
+        uses: cla-assistant/github-action@v2.6.1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           # the below token should have repo scope and must be manually added by you in the repository's secret