Memory leak after after every pinned screenshot in OSX?

### Flameshot Version

Flameshot v12.1.0 (96c2c82e)

### Installation Type

Linux, MacOS, or Windows Package manager (apt, pacman, eopkg, choco, brew, ...)

### Operating System type and version

OSX 12.4（21F79）

### Description

After each pinned screenshot, it seems that the corresponding memory will not be released. Mac users do not have the habit of shutting down. After about three or four days after booting, the flameshot memory usage reaches 300M-500M.

### Steps to reproduce

After each pinned screenshot, and click ESC to close it, You can see that the memory usage is getting more and more...

### Screenshots or screen recordings

_No response_

### System Information

OSX 12.4（21F79）