fix: use base coveralls action

Author: mrexox

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
           bundle install --jobs 4 --retry 3 --no-cache
           bundle exec rspec
 
-      - uses: mrexox/coveralls-github-action@feat/add-carryforward-flag
+      - uses: coverallsapp/github-action@master
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           flag-name: ruby-${{ matrix.ruby_version }}
@@ -44,7 +44,7 @@ jobs:
     if: ${{ always() }}
     runs-on: ubuntu-latest
     steps:
-      - uses: mrexox/coveralls-github-action@feat/add-carryforward-flag
+      - uses: coverallsapp/github-action@master
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           carryforward: "ruby-2.5,ruby-2.7,ruby-3.0,ruby-3.1,ruby-jruby"