Fix CodeQL warning

Apparently no longer need to do this HEAD^2 stuff according to warning on the actions. "1 issue was detected with this workflow: git checkout HEAD^2 is no longer necessary. Please remove this step as Code Scanning recommends analyzing the merge commit for best results."

Signed-off-by: Chad Wilson <[email protected]>

.github/workflows/codeql-analysis.yml

@@ -22,17 +22,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - name: Checkout repository
-      uses: actions/checkout@v4
-      with:
-        # We must fetch at least the immediate parents so that if this is
-        # a pull request then we can checkout the head.
-        fetch-depth: 2
-
-    # 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' }}
+    - uses: actions/checkout@v4
 
     - name: Set up Go
       uses: actions/setup-go@v5