feat(content,port): Triffid Regrowth

[Zlorthishen]

Purpose of change

ports dda pr CleverRaven/Cataclysm-DDA#47787 by https://github.com/Mom-Bun

Describe the solution

JSONizes the triffid grove and removes hardcoding

Describe alternatives you've considered

triffids must be updated

Testing

locally compiled the modified code, modified data/json files, and ran a new player.

Additional context

Checklist

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[chaosvolt]

could make some bits less clunk this way mebbe

[scarf005]

cc @Vollch