chore(deps): bump actions/setup-dotnet in the github-actions group

Bumps the github-actions group with 1 update: [actions/setup-dotnet](https://github.com/actions/setup-dotnet).


Updates `actions/setup-dotnet` from 5 to 6
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v5...v6)

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

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
         with:
           fetch-depth: 0 # Get all the history so MinGit can compute the version
       - name: Set up latest .NET 10.0
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: "10.0.x"
       - run: dotnet pack NGitLab.slnx --configuration Release --output ${{env.NuGetDirectory}} /bl
@@ -73,7 +73,7 @@ jobs:
       - name: Check out code
         uses: actions/checkout@v7
       - name: Set up latest .NET 10.0
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: "10.0.x"
       - name: Set artifact name
@@ -112,7 +112,7 @@ jobs:
           name: nuget
           path: ${{env.NuGetDirectory}}
       - name: Set up latest .NET 10.0
-        uses: actions/setup-dotnet@v5
+        uses: actions/setup-dotnet@v6
         with:
           dotnet-version: "10.0.x"
       - name: Publish NuGet packages