Update code coverage in CI workflow

This matches what we do in other repos for managing code coverage file and upload.

.github/workflows/ci.yml

@@ -2,18 +2,20 @@ name: Tests
 
 on:
   push:
-    branches: [ master ]
+    branches:
+      - master
   pull_request:
-    branches: [ master ]
 
 jobs:
   build:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: [ '3.0', '3.1', '3.2' ]
-    env:
-      CODECOV_UPLOAD_TAG: ${{ matrix.ruby }}
+        ruby:
+          - '3.0'
+          - '3.1'
+          - '3.2'
+          - '3.3'
     name: Ruby ${{ matrix.ruby }}
     steps:
       - uses: actions/checkout@v4
@@ -34,11 +36,28 @@ jobs:
           PAYSAFE_UNITY_API_SECRET: test
           PAYSAFE_UNITY_SUT_API_KEY: test
           PAYSAFE_UNITY_SUT_API_SECRET: test
-        run: |
-          bundle exec rake
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+        run: bundle exec rake
+      - name: Rename coverage file by matrix run
+        run: mv coverage/coverage.xml coverage/coverage-ruby-${{ matrix.ruby }}.xml
+      - uses: actions/upload-artifact@v4
+        with:
+          name: coverage-ruby-${{ matrix.ruby }}
+          path: coverage
+          if-no-files-found: error
+
+  upload_coverage:
+    name: Upload Coverage
+    runs-on: ubuntu-latest
+    needs: [build]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/download-artifact@v4
+        with:
+          path: coverage
+          pattern: coverage-ruby-*
+          merge-multiple: true
+      - uses: codecov/codecov-action@v4
         with:
-          env_vars: CODECOV_UPLOAD_TAG
-          fail_ci_if_error: true
           token: ${{ secrets.CODECOV_TOKEN }}
+          directory: coverage
+          fail_ci_if_error: true

test/test_helper.rb

@@ -3,8 +3,6 @@
   require "simplecov-cobertura"
   SimpleCov.start do
     add_filter %r{^/test/}
-    minimum_coverage 99
-    maximum_coverage_drop 0.2
     formatter SimpleCov::Formatter::CoberturaFormatter
   end
 end