ci: bump actions/setup-dotnet from 4 to 5

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 4 to 5.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v4...v5)

---
updated-dependencies:
- dependency-name: actions/setup-dotnet
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/nuget-publish.yml

@@ -24,7 +24,7 @@ jobs:
           fetch-depth: 0
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: '10.0.x'
           dotnet-quality: 'preview'

.github/workflows/sync-submodules.yml

@@ -53,7 +53,7 @@ jobs:
 
       - name: Setup .NET
         if: steps.check.outputs.behind == 'true'
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: '10.0.x'
           dotnet-quality: 'preview'