build(deps): update safetensors requirement from ~=0.5.0 to ~=0.5.2

Updates the requirements on [safetensors](https://github.com/huggingface/safetensors) to permit the latest version.
- [Release notes](https://github.com/huggingface/safetensors/releases)
- [Changelog](https://github.com/huggingface/safetensors/blob/main/RELEASE.md)
- [Commits](huggingface/safetensors@v0.5.0...v0.5.2)

---
updated-dependencies:
- dependency-name: safetensors
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -2,7 +2,7 @@ PyYAML~=6.0.2
 psutil~=6.1.1
 pynvml~=12.0.0
 PySide6~=6.8.1
-safetensors~=0.5.0
+safetensors~=0.5.2
 numpy<2.0.0
 torch~=2.5.1
 sentencepiece~=0.2.0