Bump coverallsapp/github-action from 2.3.1 to 2.3.4

Bumps [coverallsapp/github-action](https://github.com/coverallsapp/github-action) from 2.3.1 to 2.3.4.
- [Release notes](https://github.com/coverallsapp/github-action/releases)
- [Commits](coverallsapp/github-action@v2.3.1...v2.3.4)

---
updated-dependencies:
- dependency-name: coverallsapp/github-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/dotnet-core.yml

@@ -42,7 +42,7 @@ jobs:
             -   name: Run Tests
                 run: dotnet test -c Release /p:VersionSuffix=${{ steps.set-vars.outputs.versionString }} --verbosity normal /p:CollectCoverage=true /p:CoverletOutputFormat=lcov /p:CoverletOutput='./lcov.info'
             -   name: Upload test coverage
-                uses: coverallsapp/github-action@v2.3.1
+                uses: coverallsapp/github-action@v2.3.4
                 with:
                     github-token: ${{ secrets.GITHUB_TOKEN }}
                     file: ./Disarm.Tests/lcov.info