[Java] Upgrade to JMH 1.31.

Author: mjpt777

build.gradle

@@ -50,7 +50,7 @@ def hamcrestVersion = '2.2'
 def mockitoVersion = '3.9.0'
 def byteBuddyVersion = '1.11.0'
 def junitVersion = '5.7.1'
-def jmhVersion = '1.30'
+def jmhVersion = '1.31'
 def agronaVersion = '1.10.0'
 def agronaVersionRange = '[1.10,1.11[' // allow any patch release of 1.10.x