enhance: Redisをioredisに統一してIPv6サポート (#8869)

* Use ioredis, Supports IPv6 host

https://github.com/misskey-dev/misskey/issues/8862

* Fix import

* order

* a

* i

* fix

* flushdb

* family

* CHANGELOG

* redis_version

Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>

packages/backend/package.json

@@ -47,6 +47,7 @@
 		"fluent-ffmpeg": "2.1.2",
 		"got": "12.1.0",
 		"hpagent": "0.1.2",
+		"ioredis": "4.28.5",
 		"ip-cidr": "3.0.10",
 		"is-svg": "4.3.2",
 		"js-yaml": "4.1.0",
@@ -86,7 +87,6 @@
 		"random-seed": "0.3.0",
 		"ratelimiter": "3.4.1",
 		"re2": "1.17.4",
-		"redis": "3.1.2",
 		"redis-lock": "0.1.4",
 		"reflect-metadata": "0.1.13",
 		"rename": "1.0.4",