chore(deps): bump actions/checkout from 4 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...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.yml

@@ -70,7 +70,7 @@ jobs:
 
     steps:
       - name: Check Out Code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Microsoft Build Engine
         uses: microsoft/setup-msbuild@v2

.github/workflows/release-please.yml

@@ -27,7 +27,7 @@ jobs:
       tag_name: ${{ steps.release.outputs.tag_name }}
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Release Please
         uses: googleapis/release-please-action@v4
@@ -54,7 +54,7 @@ jobs:
     if: ${{ needs.release.outputs.release_created }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: ${{ needs.release.outputs.tag_name }}
 

.github/workflows/test.yml

@@ -22,7 +22,7 @@ jobs:
 
     steps:
     - name: Check Out Code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: Setup Microsoft Build Engine
       uses: microsoft/setup-msbuild@v2