* Bump version to `2.9.2`
* Because the latest Pulsar image is based on Java 11, some JVM param for printing GC information has been abandoned, change to use the new JVM param. refer to https://docs.oracle.com/en/java/javase/11/tools/java.html#GUID-BE93ABDC-999C-4CB5-A88B-1994AAAC74D5 and https://issues.redhat.com/browse/CLOUD-3040.
original param | new param
--|--
`-XX:+PrintGCDetails` | `-Xlog:gc*`
`-XX:+PrintGCApplicationStoppedTime` | `-Xlog:safepoint`
`-XX:+PrintHeapAtGC` | `-Xlog:gc+heap=trace`
`-XX:+PrintGCTimeStamps` | `-Xlog:gc::utctime`
* remove JVM param `-XX:G1LogLevel=finest`
