Bump picklescan from 0.0.30 to 0.0.31 in /pickle_scanning_benchmark

Bumps [picklescan](https://github.com/mmaitre314/picklescan) from 0.0.30 to 0.0.31.
- [Release notes](https://github.com/mmaitre314/picklescan/releases)
- [Commits](mmaitre314/picklescan@v0.0.30...v0.0.31)

---
updated-dependencies:
- dependency-name: picklescan
  dependency-version: 0.0.31
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pickle_scanning_benchmark/requirements.txt

@@ -2,6 +2,6 @@ fickling @ git+https://github.com/trailofbits/fickling.git@master
 huggingface_hub==0.23.5
 model_unpickler==0.1
 modelscan==0.8.1
-picklescan==0.0.30
+picklescan==0.0.31
 Requests==2.32.4
 torch==2.7.1