Bump actions/setup-dotnet from 3.0.3 to 3.1.0 (serilog-contrib#82)

Bumps [actions/setup-dotnet](https://github.com/actions/setup-dotnet) from 3.0.3 to 3.1.0.
- [Release notes](https://github.com/actions/setup-dotnet/releases)
- [Commits](actions/setup-dotnet@v3.0.3...v3.1.0)

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

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

.github/workflows/ci.yml

@@ -33,19 +33,19 @@ jobs:
     runs-on: ${{ matrix.job.os }}
     steps:
       - name: Setup netcoreapp3.1
-        uses: actions/setup-dotnet@v3.0.3
+        uses: actions/setup-dotnet@v3.1.0
         with:
           dotnet-version: "3.1.426"
       - name: Setup net5.0
-        uses: actions/setup-dotnet@v3.0.3
+        uses: actions/setup-dotnet@v3.1.0
         with:
           dotnet-version: "5.0.408"
       - name: Setup net6.0
-        uses: actions/setup-dotnet@v3.0.3
+        uses: actions/setup-dotnet@v3.1.0
         with:
           dotnet-version: "6.0.404"
       - name: Setup net7.0
-        uses: actions/setup-dotnet@v3.0.3
+        uses: actions/setup-dotnet@v3.1.0
         with:
           dotnet-version: "7.0.101"
       - name: Run dotnet --info