use coveralls action for coverage

.github/workflows/coverage.yml

@@ -1,12 +1,6 @@
-name: Coverage Report
+name: Coveralls Report
 
-on: 
-  pull_request:
-    branches: [ "develop" ]
-  workflow_run:
-    workflows: ["tests"]
-    types:
-      - completed
+on: ["push", "pull_request"]
 
 jobs:
   test-coverage:
@@ -27,22 +21,9 @@ jobs:
       - name: Generate a code coverage report
         uses: threeal/gcovr-action@xml-out
         with:
-          xml-out: coverage.cobertura.xml
+          coveralls-out: coverage.coveralls.xml
           excludes: |
             build
-
-      - name: Code Coverage Summary Report
-        uses: irongut/CodeCoverageSummary@v1.3.0
-        with:
-          filename: coverage.cobertura.xml
-          badge: true
-          format: markdown
-          output: both
-          hide_complexity: true
-
-      - name: Add Coverage PR Comment
-        uses: marocchino/sticky-pull-request-comment@v2
-        if: github.event_name == 'pull_request'
-        with:
-          recreate: true
-          path: code-coverage-results.md
+            
+      - name: Sent to Coveralls
+        uses: coverallsapp/github-action@v2