[Java] Upgrade to Agrona 1.8.0.

Author: mjpt777

build.gradle

@@ -33,8 +33,8 @@ def hamcrestVersion = '2.2'
 def mockitoVersion = '3.5.13'
 def junitVersion = '5.7.0'
 def jmhVersion = '1.25.2'
-def agronaVersion = '1.7.2'
-def agronaVersionRange = '[1.7,1.8[' // allow any patch release of 1.7.x
+def agronaVersion = '1.8.0'
+def agronaVersionRange = '[1.8,1.9[' // allow any patch release of 1.8.x
 
 def sbeGroup = 'uk.co.real-logic'
 def sbeVersion = file('version.txt').text.trim()