Bump spglib from 2.5.0 to 2.6.0

Bumps [spglib](https://github.com/spglib/spglib) from 2.5.0 to 2.6.0.
- [Release notes](https://github.com/spglib/spglib/releases)
- [Changelog](https://github.com/spglib/spglib/blob/develop/ChangeLog.md)
- [Commits](spglib/spglib@v2.5.0...v2.6.0)

---
updated-dependencies:
- dependency-name: spglib
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -46,14 +46,14 @@ nglview = ["nglview==3.1.4"]
 matplotlib = ["matplotlib==3.10.1"]
 plotly = ["plotly==6.0.0"]
 clusters = ["scikit-learn==1.6.1"]
-symmetry = ["spglib==2.5.0"]
+symmetry = ["spglib==2.6.0"]
 surface = [
-    "spglib==2.5.0",
+    "spglib==2.6.0",
     "pymatgen==2025.2.18",
 ]
 phonopy = [
     "phonopy==2.38.0",
-    "spglib==2.5.0",
+    "spglib==2.6.0",
 ]
 pyxtal = ["pyxtal==1.0.6"]