build(deps): Bump EnricoMi/publish-unit-test-result-action

Bumps [EnricoMi/publish-unit-test-result-action](https://github.com/enricomi/publish-unit-test-result-action) from 2.20.0 to 2.21.0.
- [Release notes](https://github.com/enricomi/publish-unit-test-result-action/releases)
- [Commits](EnricoMi/publish-unit-test-result-action@v2.20.0...v2.21.0)

---
updated-dependencies:
- dependency-name: EnricoMi/publish-unit-test-result-action
  dependency-version: 2.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/tests.yml

@@ -107,7 +107,7 @@ jobs:
         reporter: dotnet-trx
 
     - name: "Publish Test Summary"
-      uses: EnricoMi/publish-unit-test-result-action@v2.20.0
+      uses: EnricoMi/publish-unit-test-result-action@v2.21.0
       if: always()
       with:
         check_name: "Test Summary"