Bump actions/setup-dotnet from 4 to 5 (#370)

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/ci.yml

@@ -23,7 +23,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Setup .NET Core 8.x
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: 8.x
       - name: Install dependencies
@@ -57,7 +57,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Setup .NET Core 8.x
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: 8.x
       - name: Install dependencies
@@ -92,7 +92,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Setup .NET Core 8.x
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: 8.x
       - name: Install dependencies
@@ -117,7 +117,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Setup .NET Core 8.x
-        uses: actions/setup-dotnet@v4
+        uses: actions/setup-dotnet@v5
         with:
           dotnet-version: 8.x
       - name: Install dependencies