Patch notes v0.9.1 (test branch)

# Balance

- Willow Immortal: slow the startup animation for certain attacks.
- Eastern Depot Overseer: slow the startup animation for slash attacks.
- characters are allowed to change orientation while raising the shield.


# Bug Fixes

- Killer Vine Seed: fix an issue that more than 5 traps could be created.
- fix the incorrect configuration of shield animations.
- fix an error after picking up Toad Saliva, Glasses Cat's Claw and Corpse Maggot.
- fix the problem that new books are not included in the Devil Slaying Log.


# Localization

- Update translated text.


# Misc

- change the format of the version number.