ci: increase gradle heap size to avoid out of memory

Author: LeanBitLab

.github/workflows/release.yml

@@ -17,6 +17,8 @@ permissions:
 jobs:
   build-and-release:
     runs-on: ubuntu-latest
+    env:
+      GRADLE_OPTS: -Dorg.gradle.jvmargs="-Xmx4g -XX:MaxMetaspaceSize=1g -XX:+HeapDumpOnOutOfMemoryError"
 
     steps:
       - name: Checkout Code