Add json5 support to apoc-core and extended

[jexp]

Json5 adds a number of nice features.

In jackson we can enable most of them with capabilities. Some of which we already do.

See

https://stackoverflow.com/questions/68312227/can-the-jackson-parser-be-used-to-parse-json5

[gem-neo4j]

Would it make more sense to have suggestions like this as Trello cards instead of issues on Github? :)

[hvub]

Cardified. Closing here.