put back os changes

Author: Nava2

.github/workflows/ci.yml

@@ -3,12 +3,14 @@ on: [ push, pull_request ]
 
 jobs:
   ci:
-    runs-on: ubuntu-latest
-    if: github.event_name == 'pull_request' || (github.event_name == 'push' && github.ref == 'refs/heads/main')
-
     strategy:
       matrix:
-        gradle-version: [ '7.6.2', '8.0.1', '8.2.1' ]
+        gradle-version: [ '7.6.4', '8.7', '8.12.1', 'current' ]
+        os: [ 'ubuntu-latest', 'macos-latest', 'windows-latest' ]
+
+    runs-on: ${{ matrix.os }}
+    if: github.event_name == 'pull_request' || (github.event_name == 'push' && github.ref == 'refs/heads/main')
+
 
     steps:
       - uses: actions/setup-java@v4
@@ -22,7 +24,7 @@ jobs:
 
       - uses: gradle/actions/setup-gradle@v4
         with:
-          gradle-version: ${{ matrix.gradle-version }}
+          gradle-version: 8.12.1
 
       - run:
-          ./gradlew check --continue
+          ./gradlew check --continue -Dtest.gradle.version.override='${{ matrix.gradle-version }}'