Bump plotly from 6.3.1 to 6.4.0 (#417)

* Bump plotly from 6.3.1 to 6.4.0

Bumps [plotly](https://github.com/plotly/plotly.py) from 6.3.1 to 6.4.0.
- [Release notes](https://github.com/plotly/plotly.py/releases)
- [Changelog](https://github.com/plotly/plotly.py/blob/main/CHANGELOG.md)
- [Commits](plotly/plotly.py@v6.3.1...v6.4.0)

---
updated-dependencies:
- dependency-name: plotly
  dependency-version: 6.4.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

* [dependabot skip] Update environment

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: pyironrunner <pyiron@mpie.de>

Author: dependabot[bot]

.ci_support/environment.yml

@@ -11,7 +11,7 @@ dependencies:
 - notebook
 - numpy =2.3.4
 - phonopy =2.43.6
-- plotly =6.3.1
+- plotly =6.4.0
 - pymatgen =2025.10.7
 - pyscal3 =3.3.0
 - scikit-learn =1.7.2

pyproject.toml

@@ -44,7 +44,7 @@ grainboundary = [
 pyscal = ["pyscal3==3.3.0"]
 nglview = ["nglview==3.1.4"]
 matplotlib = ["matplotlib==3.10.7"]
-plotly = ["plotly==6.3.1"]
+plotly = ["plotly==6.4.0"]
 clusters = ["scikit-learn==1.7.2"]
 symmetry = ["spglib==2.6.0"]
 surface = [