build: update github/codeql-action action to v2.1.21

Author: angular-robot

.github/workflows/scorecard.yml

@@ -45,6 +45,6 @@ jobs:
 
       # Upload the results to GitHub's code scanning dashboard.
       - name: 'Upload to code-scanning'
-        uses: github/codeql-action/upload-sarif@f5d217be74900c6ac8fbbe53f3c10376ba4e64da # tag=v2.1.19
+        uses: github/codeql-action/upload-sarif@c7f292ea4f542c473194b33813ccd4c207a6c725 # tag=v2.1.21
         with:
           sarif_file: results.sarif