chore(deps): bump actions/checkout from 3 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

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

.github/workflows/dotnet-build.yaml

@@ -23,7 +23,7 @@ jobs:
         uses: xt0rted/pull-request-comment-branch@v1
         id: comment-branch
         if: ${{ github.event_name == 'issue_comment' }}
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           ref: ${{ github.event_name == 'issue_comment' && steps.comment-branch.outputs.head_ref || ''}}
       - uses: guitarrapc/actions/.github/actions/setup-dotnet@main

.github/workflows/dotnet-release.yaml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: guitarrapc/actions/.github/actions/setup-dotnet@main
       # build
       - run: dotnet build -c ${{ env.BUILD_CONFIG }} -p:Version=${{ github.event.ref }}