Automatic changelog generation for PR #11971 [ci skip]

html/changelogs/AutoChangeLog-pr-11971.yml

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+author: rkz, MrMelbert, Cyberboss
+delete-after: true
+changes:
+  - refactor: refactored language holders, species changes will no longer delete all
+      known languages
+  - refactor: refactored tongue language lists to kill typecache nonsense and handle
+      subtypes sanely
+  - code_imp: unit tests language transfers
+  - code_imp: fix config errors before /world/New()