Switch Prettier CI to creyD/prettier_action@v3.3
Switch Prettier CI to creyD/prettier_action@v3.3

No need for the infotexture fork now that the upstream action repo has added support for Prettier plugins:

- https://github.com/creyD/prettier_action/issues/22
- https://github.com/creyD/prettier_action/pull/34
- https://github.com/creyD/prettier_action/pull/36

Signed-off-by: Roger Sheen <a61a1add71dadc74037ae5e44ee30713db9a7451@infotexture.net>

dita-ot/docs