build(deps): bump actions/setup-dotnet from 5.4.0 to 6.0.0 (#310)

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 5.4.0 to 6.0.0.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@26b0ec1...a98b568)

---
updated-dependencies:
- dependency-name: actions/setup-dotnet
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/test-dotnet.yml

@@ -66,7 +66,7 @@ jobs:
         project: ${{ fromJson(needs.find-projects.outputs.matrix) }}
     steps:
       - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
-      - uses: actions/setup-dotnet@26b0ec14cb23fa6904739307f278c14f94c95bf1 # v5
+      - uses: actions/setup-dotnet@a98b56852c35b8e3190ac28c8c2271da59106c68 # v6.0.0
         with:
           dotnet-version: "10.0.x"
       - name: Restore