Changelog for java-adt

1.0.20231204

• Switch to Haskell Package Versioning Policy.
• Correct sdist tarball (cabal install java-adt-0.2018.11.4 fails due to packaging of Lexer.hs and Parser.hs).
• Tested with GHC 8.0 - 9.8.

0.2018.11.4

• Fixed compilation with ghc-8.4.4 and ghc-8.6.1.