build(ci): Bump the actions group across 1 directory with 2 updates

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


Updates `actions/setup-dotnet` from 5.1.0 to 5.2.0
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v5.1.0...v5.2.0)

Updates `codecov/codecov-action` from 5 to 6
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-dotnet
  dependency-version: 5.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
- dependency-name: codecov/codecov-action
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
       - uses: actions/checkout@v6.0.2
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v5.1.0
+        uses: actions/setup-dotnet@v5.2.0
         with:
           dotnet-version: |
             8.0.x
@@ -31,14 +31,14 @@ jobs:
         run: dotnet test FeiertageApi.Tests/FeiertageApi.Tests.csproj -c Debug --no-build --no-restore --collect:"XPlat Code Coverage" --results-directory ./TestResults
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           directory: ./TestResults
           token: ${{ secrets.CODECOV_TOKEN }}
 
       - name: Upload test results to Codecov
         if: ${{ !cancelled() }}
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v6
         with:
           directory: ./TestResults
           token: ${{ secrets.CODECOV_TOKEN }}