fix(ci): bump actions/checkout from 2 to 6

.github/workflows/official-build.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v6
 
     - name: Extract branch name
       shell: bash

.github/workflows/on-push-verification.yml

@@ -22,7 +22,7 @@ jobs:
     steps:
 
       # Checkout your code repository to scan
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
 
       # Run analyzers
     - uses: ./

.github/workflows/sample-workflow.yml

@@ -20,7 +20,7 @@ jobs:
     steps:
 
       # Checkout your code repository to scan
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
 
       # Run analyzers
     - name: Run Microsoft Security DevOps Analysis