Bump picklescan from 1.0.1 to 1.0.3 in /pickle_scanning_benchmark (#229)

Bumps [picklescan](https://github.com/mmaitre314/picklescan) from 1.0.1 to 1.0.3.
- [Release notes](https://github.com/mmaitre314/picklescan/releases)
- [Commits](mmaitre314/picklescan@v1.0.1...v1.0.3)

---
updated-dependencies:
- dependency-name: picklescan
  dependency-version: 1.0.3
  dependency-type: direct:production
...

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pickle_scanning_benchmark/requirements.txt

@@ -2,6 +2,6 @@ fickling @ git+https://github.com/trailofbits/fickling.git@master
 huggingface_hub==1.4.0
 model_unpickler==0.1
 modelscan==0.8.7
-picklescan==1.0.1
+picklescan==1.0.3
 Requests==2.32.5
 torch==2.10.0