[Java] Upgrade to JMH 1.26.

Author: mjpt777

build.gradle

@@ -32,7 +32,7 @@ def checkstyleVersion = '8.36.2'
 def hamcrestVersion = '2.2'
 def mockitoVersion = '3.5.13'
 def junitVersion = '5.7.0'
-def jmhVersion = '1.25.2'
+def jmhVersion = '1.26'
 def agronaVersion = '1.8.0'
 def agronaVersionRange = '[1.8,1.9[' // allow any patch release of 1.8.x