Address AI feedback

Signed-off-by: Lukasz Gryglicki <lgryglicki@cncf.io>

Assisted by [OpenAI](https://platform.openai.com/)

Assisted by [GitHub Copilot](https://github.com/features/copilot)

Author: lukaszgryglicki

cla-backend/cla/models/github_models.py

@@ -707,8 +707,6 @@ def update_merge_group_status(
 
         # Create the commit status on the merge commit
         if self.client is None:
-            # LG: this was creating broken/partially authenticated client
-            # self.client = self._get_github_client(installation_id)
             self.client = get_github_integration_client(installation_id)
 
         # Get repository

utils/github_pat_check.sh

@@ -14,7 +14,7 @@ TOKEN="$1"
 ORG="$2"
 REPO="$3"
 PR="$4"
-echo "Testing GitHub PAT GraphQL with token: ${TOKEN:0:10} for $ORG/$REPO PR:$PR..."
+echo "Testing GitHub PAT GraphQL with token: ${TOKEN:0:4} for $ORG/$REPO PR:$PR..."
 
 echo -e "\n1. Testing Simple GraphQL Query:"
 echo "--------------------------------"