TrieMap 1.2.0
- Java 11 is required for 1.2.x
- odlparent bumped to 7.0.3
- java.invoke.VarHandles are used instead of AtomicReferenceFieldUpdaters
- support for varied equivalence, which was never a public feature, was removed
- internal code reorganization to address SpotBugs/SonarCloud complaints