update Java CE version to 22.06.8

[git-p4: depot-paths = "//dev/main.cpp/": change = 108552]

Author: fryp

prj/build.properties

@@ -14,4 +14,4 @@ build.description=
 build.type=debug
 build.version=14.1.2.0.0
 build.groupId_maven=com.oracle.coherence.ce
-build.version_maven=22.06.7
+build.version_maven=22.06.8