Use basic caching provider to avoid proprietary code

Author: renggli

.github/workflows/gradle.yml

@@ -2,9 +2,9 @@ name: Kotlin CI
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   pull_request:
-    branches: [ main ]
+    branches: [main]
   schedule:
     - cron: "0 0 * * 0"
   workflow_dispatch:
@@ -24,6 +24,8 @@ jobs:
         uses: gradle/actions/wrapper-validation@v6
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v6
+        with:
+          cache-provider: basic
       - name: Build the project
         run: ./gradlew build
       - name: Run the tests