Core Keeper - Cherry Blossom Update - 0.5.4

[h2]New items: [/h2]

• Added the White Cherry Blossom, which can now be found randomly spawning in the world.
  
• Introduced the White Cherry Tree, which can be crafted by combining White Cherry Blossoms.
  
• Added the Pink Cherry Blossom, which can now be found randomly spawning in the world.
  
• Introduced the Pink Cherry Tree, which can be crafted by combining Pink Cherry Blossoms.

[h2]New Achievements: [/h2]

• Added a new achievement for players to unlock.

[h2]Balancing: [/h2]

• Adjusted the spawn rate of Love Letters during Valentine's Day to improve game balance.

[h2] Bug Fixes: [/h2]

• Fixed a bug with the background write thread and other threads using the incorrect thread priority.
  
• Fixed an issue with missing text when the Cheat Death talent is triggered.

[h2]Other: [/h2]

• Improved stability by preventing bosses from being affected by slippery movement effects, such as those caused by the Bubble Gun.