Bump actions/checkout from 5 to 6 (#2961)

Author: dependabot[bot]

.github/workflows/dotnet-build.yml

@@ -61,7 +61,7 @@ jobs:
                 os: [ windows-latest, macos-26 ]
         steps:
             -   name: Checkout code
-                uses: actions/checkout@v5
+                uses: actions/checkout@v6
 
             -   name: Set Latest Xcode Version
                 if: runner.os == 'macOS'
@@ -106,7 +106,7 @@ jobs:
                 os: [ windows-latest, macos-26 ]
         steps:
             -   name: Checkout code
-                uses: actions/checkout@v5
+                uses: actions/checkout@v6
 
             -   name: Set NuGet Version to Tag Number
                 if: startsWith(github.ref, 'refs/tags/') && (!endsWith(github.ref, '-mediaelement') && !endsWith(github.ref, '-camera') && !endsWith(github.ref, '-maps'))

.github/workflows/dotnet-format-daily.yml

@@ -10,7 +10,7 @@ jobs:
         run: dotnet tool install -g dotnet-format
 
       - name: Checkout repo
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.head_ref }}
 

.github/workflows/locker.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Actions
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: "microsoft/vscode-github-triage-actions"
           path: ./actions