build(deps): bump actions/setup-dotnet from 5.3.0 to 5.4.0

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 5.3.0 to 5.4.0.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@9a946fd...26b0ec1)

---
updated-dependencies:
- dependency-name: actions/setup-dotnet
  dependency-version: 5.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@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@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5
+      - uses: actions/setup-dotnet@26b0ec14cb23fa6904739307f278c14f94c95bf1 # v5
         with:
           dotnet-version: "10.0.x"
       - name: Restore