fix(dict): Update dictionaries to latest versions. (#551)

> rikaikun@1.2.3 update-db /home/runner/work/rikaikun/rikaikun
> ts-node utils/update-db

Fetching word dictionary...
Parsing dictionary created: 2021-06-14
Writing index...
Fetching names dictionary...
Parsing dictionary created: 2021-06-14
Writing index...
Fetching kanji dictionaries...
Parsing KANJIDIC dictionary from 2021-06-14
Parsing KANJD212 dictionary from 2021-06-14
Done.

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