Release 5.2.9.RELEASE

gradle.properties

@@ -1,5 +1,5 @@
 aspectjVersion=1.9.6
 gaeVersion=1.9.86
 springBootVersion=2.2.13.RELEASE
-version=5.2.9.BUILD-SNAPSHOT
+version=5.2.9.RELEASE
 org.gradle.jvmargs=-Xmx3g -XX:MaxPermSize=2048m -XX:+HeapDumpOnOutOfMemoryError