Bump actions/checkout from 5 to 6 (#497)

Author: dependabot[bot]

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
       GOPATH: /home/runner/go
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         fetch-depth: 0
 

.github/workflows/codeql-analysis.yml

@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL