Bump actions/checkout from 5 to 6 in /templates/Library/NuGet/.github/workflows

templates/Library/NuGet/.github/workflows/build-and-test.yml

@@ -37,7 +37,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v5

templates/Library/NuGet/.github/workflows/copilot-setup-steps.yml

@@ -26,7 +26,7 @@ jobs:
       # If you want to clone the repository as part of your setup steps, for example to install dependencies, you'll need the `contents: read` permission.
       contents: read
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Setup .NET
       uses: actions/setup-dotnet@v5
       with:

templates/Library/NuGet/.github/workflows/deploy.yml

@@ -13,7 +13,7 @@ jobs:
   build-and-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Setup .NET
         uses: actions/setup-dotnet@v5