Bump scipy from 1.15.2 to 1.15.3

Bumps [scipy](https://github.com/scipy/scipy) from 1.15.2 to 1.15.3.
- [Release notes](https://github.com/scipy/scipy/releases)
- [Commits](scipy/scipy@v1.15.2...v1.15.3)

---
updated-dependencies:
- dependency-name: scipy
  dependency-version: 1.15.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,6 +1,6 @@
 spglib==2.6.0
 numpy==2.2.6
-scipy==1.15.2
+scipy==1.15.3
 pymatgen==2025.10.7
 inflect==7.5.0
 networkx==3.4.2