Update to jdk-11.0.18+9
Update release notes to 11.0.18+9
Drop local copy of JDK-8293834 now this is upstream
Require tzdata 2022g due to inclusion of JDK-8296108, JDK-8296715 & JDK-8297804
Update TestTranslations.java to test the new America/Ciudad_Juarez zone