chore: update outofmemoryerror command

Author: xcaspar

chaosblade-exec-plugin/chaosblade-exec-plugin-jvm/src/main/java/com/alibaba/chaosblade/exec/plugin/jvm/JvmConstant.java

@@ -17,7 +17,7 @@ public final class JvmConstant {
 
     public static Integer FLAG_VALUE_OOM_THREAD_COUNT = 1;
 
-    public static String ACTION_OUT_OF_MEMORY_ERROR_NAME = "OutOfMemoryError";
+    public static String ACTION_OUT_OF_MEMORY_ERROR_NAME = "outofmemoryerror";
 
     public static String ACTION_OUT_OF_MEMORY_ERROR_ALIAS = "oom";