CodeQL changed (#39)

.github/workflows/codeql-analysis.yml

@@ -4,7 +4,6 @@ on:
   push:
   pull_request:
   merge_group:
-    branches: [main]
 
 jobs:
   analyze:
@@ -36,11 +35,6 @@ jobs:
         # Default: false
         submodules: 'recursive'
 
-    # If this run was triggered by a pull request event, then checkout
-    # the head of the pull request instead of the merge commit.
-    - run: git checkout HEAD^2
-      if: ${{ github.event_name == 'pull_request' }}
-
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2