releasePlan: Switch jdk22 -> 22u and set tag suitable for dryrun (#50)

Signed-off-by: Stewart X Addison <[email protected]>

Author: sxa

releasePlan.cfg

@@ -12,5 +12,5 @@ jdk8uGA="jdk8u412"
 jdk11uGA="jdk-11.0.23"
 jdk17uGA="jdk-17.0.11"
 jdk21uGA="jdk-21.0.3"
-jdk22GA="jdk-22"
+jdk22uGA="jdk-22.0.0"