Bump actions/checkout from 3 to 4 (#520)

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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Thomas Cortes <78750681+Toa741@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
   create_nuget:
     runs-on: ubuntu-20.04
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0 # Get all the history so MinGit can compute the version
     - name: Setup .NET Core (latest)
@@ -65,7 +65,7 @@ jobs:
           GITLAB_OMNIBUS_CONFIG: "external_url 'http://localhost:48624/'"
           GITLAB_ROOT_PASSWORD: "Pa$$w0rd"
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Setup .NET Core (latest)
       uses: actions/setup-dotnet@v3
     - run: |