Bump checkout version.

Author: dlemstra

.github/workflows/codeql-analysis.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: windows-2022
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
 
@@ -52,7 +52,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false