Add coveralls support. Add support to test ruby 3.2

Author: pitbulk

.github/workflows/test.yml

@@ -9,7 +9,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-20.04, macos-latest]
-        ruby-version: [2.1.9, 2.2.10, 2.3.8, 2.4.6, 2.5.8, 2.6.6, 2.7.2, 3.0.1, '3.1', jruby-9.1.17.0, jruby-9.2.17.0, truffleruby]
+        ruby-version: [2.1.9, 2.2.10, 2.3.8, 2.4.6, 2.5.8, 2.6.6, 2.7.2, 3.0.1, '3.1', '3.2', jruby-9.1.17.0, jruby-9.2.17.0, truffleruby]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
@@ -23,3 +23,13 @@ jobs:
 
       - name: Run tests
         run: bundle exec rake
+
+finish:
+  needs: test
+  runs-on: ubuntu-latest
+  steps:
+  - name: Coveralls Finished
+    uses: coverallsapp/github-action@master
+    with:
+      github-token: ${{ secrets.GITHUB_TOKEN }}
+      parallel-finished: true