Python 3から帰還しましま

f5619fc8bc (upstream/main) Use `JSON.generate` in db migrations (#38241)
653161fecc Convert remaining `JSON.generate` (#38240)
16c41e035b Use `JSON.parse` in AP inboxes (#38238)
3832030711 Convert `Oj.load` -> `JSON.parse` in most places (#38236)
0e14224eaf Use `JSON.parse` in user settings (#38237)
4328807f28 Profile editing: Finish image editing (#38235)
703f2d0263 Use implicit `to_json` call in app/services (#38225)
8792d6f840 Use `JSON.generate` in trivial string/hash conversion in specs (#38224)
f460ad611a Use `to_json` call in web/push notification worker (#38233)
0c75e97345 Use `JSON.generate` in backup service (#38234)
6b1eac8865 Use `to_json` call for Relay enable/disable (#38232)
092acbd47b Use `to_json` call for pins API (#38231)
968ce25c39 Use `to_json` call for worker payloads (#38228)
d9cd65f039 Use `to_json` call for AP::QuoteRequest accept/reject paths (#38229)
70230c632c Use `to_json` call for AP::Follow reject path (#38227)

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