fix: trying coveralls

Author: milsanore

.github/workflows/build.yml

@@ -66,10 +66,7 @@ jobs:
           ctest --preset=debug
           lcov --gcov-tool gcov --capture --directory . --output-file lcov.info --rc geninfo_unexecuted_blocks=1 --ignore-errors mismatch
 
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+      - name: Upload coverage to Coveralls
+        uses: coverallsapp/github-action@v2
         with:
-          files: lcov.info
-          flags: unittests
-          name: codecov-coverage
-          fail_ci_if_error: true
+          path-to-lcov: lcov.info