Disable Rider tests on Mac GHA workflow (#5092)

Author: rli

.github/workflows/mac.yml

@@ -24,4 +24,4 @@ jobs:
     - name: Grant execute permission for gradlew
       run: chmod +x gradlew
     - name: Build with Gradle
-      run: ./gradlew check coverageReport --info --full-stacktrace --console plain
+      run: ./gradlew check coverageReport -x :plugin-toolkit:jetbrains-rider:test --info --full-stacktrace --console plain