Bump actions/setup-dotnet from 4 to 5 (#28)

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

Author: dependabot[bot]

.github/workflows/build-samples.yml

@@ -26,7 +26,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Setup .NET (global.json)
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
       - name: Restore dependencies
         run: dotnet restore
         working-directory: samples

.github/workflows/build.yml

@@ -34,7 +34,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Setup .NET (global.json)
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
       - name: Restore dependencies
         run: dotnet restore
       - name: Build

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Setup .NET (global.json)
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
       - name: Restore dependencies
         run: dotnet restore
       - name: Build