Release Spock 2.3

Author: leonard84

README.adoc

@@ -1,5 +1,5 @@
-:spock-release-version: 2.2
-:spock-release-date: 2022-08-31
+:spock-release-version: 2.3
+:spock-release-date: 2022-09-29
 :spock-snapshot-version: 2.3
 
 https://github.com/spockframework/spock/blob/master/LICENSE[image:https://img.shields.io/badge/License-Apache%202.0-blue.svg[License]]

build.gradle

@@ -14,7 +14,7 @@ description = "Spock Framework"
 
 ext {
   baseVersion = "2.3"
-  snapshotVersion = true
+  snapshotVersion = false
   milestone = 0
   javaVersions = [8, 11, 17] // ensure that latest version is actually build on travis, otherwise no docs get published
   javaVersion = (System.getProperty("javaVersion") ?: 8) as int