FPS drops to 4 in 3d URP Project

[IAFahim]

Describe the bug
When importing this package if it's a 3D project and there is a terrain background and SpriteRender is on top of image FPS drops to 4 every few second. (Even if not using the package)

To Reproduce
Steps to reproduce the behavior:

1. Just import the package in 3D URP
2. Place 2 sprites on top of terrain
3. See the FPS Drop if you move around.

Expected behavior
FPS not to Drop

Screenshots
Without Package:
https://github.com/martinhodler/unity-aseprite-importer/assets/63500913/90e57a56-59bd-4eba-9913-122e1951c721

Importing Package
https://github.com/martinhodler/unity-aseprite-importer/assets/63500913/dd5bd972-9eef-4817-ac55-cc4f9b46e5b5

After Importing and doing no change, What's so ever
https://github.com/martinhodler/unity-aseprite-importer/assets/63500913/d947d016-71c7-404a-9f7d-e3ccfd58ea91

Desktop (please complete the following information):

• OS: Windows 11
• Version 2022.3.7f1

Additional context
I have deleted a full project, not being able to find out why. Then for no reason After Importing ALL 2d Package for Sprite Editor I get the same problem.