OAK-8819: Update jetbrains nullability annotions to 18.0.0
OAK-8819: Update jetbrains nullability annotions to 18.0.0

git-svn-id: 67138be12999c61558c3dd34328380c8e4523e73@1870923 13f79535-47bb-0310-9956-ffa450edef68

trekawek/jackrabbit-oak,trekawek/jackrabbit-oak,mreutegg/jackrabbit-oak,anchela/jackrabbit-oak,anchela/jackrabbit-oak,anchela/jackrabbit-oak,trekawek/jackrabbit-oak,mreutegg/jackrabbit-oak,amit-jain/jackrabbit-oak,anchela/jackrabbit-oak,amit-jain/jackrabbit-oak,apache/jackrabbit-oak,apache/jackrabbit-oak,mreutegg/jackrabbit-oak,amit-jain/jackrabbit-oak,apache/jackrabbit-oak,apache/jackrabbit-oak,anchela/jackrabbit-oak,trekawek/jackrabbit-oak,mreutegg/jackrabbit-oak,mreutegg/jackrabbit-oak,amit-jain/jackrabbit-oak,amit-jain/jackrabbit-oak,trekawek/jackrabbit-oak,apache/jackrabbit-oak