chore: add tiny definition for redis-lock (#9971)

* add tiny definition for redis-lock

* Update packages/backend/src/@types/redis-lock.d.ts

Co-authored-by: Acid Chicken (硫酸鶏) <root@acid-chicken.com>

* fix type name

* add @typescript-eslint/naming-convention

* define taskToPerform type

* chore: use default settings for `@typescript-eslint/naming-convention`

* set `format:none` to typeParameter (default)

* ignore lines to be treated as exceptions

* chore: fix naming

---------

Co-authored-by: Acid Chicken (硫酸鶏) <root@acid-chicken.com>
Co-authored-by: syuilo <Syuilotan@yahoo.co.jp>