chore(deps): bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/build-and-test.yml

@@ -31,7 +31,7 @@ jobs:
       matrix:
         os: [windows-latest]
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Setup .NET
       uses: ./.github/actions/setup-dotnet
     - name: Setup Dependency Caching

.github/workflows/copilot-setup-steps.yml

@@ -23,7 +23,7 @@ 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:

.github/workflows/deploy.yml

@@ -15,7 +15,7 @@ jobs:
   build-and-test:
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Setup .NET
       uses: ./.github/actions/setup-dotnet
     - name: Setup Dependency Caching