build(deps): bump scipy from 1.18.0 to 1.18.1

Bumps [scipy](https://github.com/scipy/scipy) from 1.18.0 to 1.18.1.
- [Release notes](https://github.com/scipy/scipy/releases)
- [Commits](scipy/scipy@v1.18.0...v1.18.1)

---
updated-dependencies:
- dependency-name: scipy
  dependency-version: 1.18.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -48,7 +48,7 @@ regex==2026.7.19
 requests==2.34.2
 rlp==4.1.0
 scikit-learn==1.9.0
-scipy==1.18.0
+scipy==1.18.1
 setuptools==84.0.0
 six==1.17.0
 threadpoolctl==3.6.0