Bump the actions group with 2 updates (#4)

Bumps the actions group with 2 updates: [actions/checkout](https://github.com/actions/checkout) and [actions/setup-dotnet](https://github.com/actions/setup-dotnet).


Updates `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)

Updates `actions/setup-dotnet` from 3 to 4
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v3...v4)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build.yml

@@ -23,8 +23,8 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
-      - uses: actions/setup-dotnet@v3
+        uses: actions/checkout@v4
+      - uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ matrix.dotnet }}
       - name: Restore

.github/workflows/publish.yml

@@ -20,9 +20,9 @@ jobs:
           echo ::set-output name=current_version::${GITHUB_REF#refs/tags/v}
         shell: bash
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Setup .NET Core
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
         with:
           dotnet-version: ${{ matrix.dotnet }}
       - name: Restore