Bump pydata-sphinx-theme from 0.17.1 to 0.18.0

Bumps [pydata-sphinx-theme](https://github.com/pydata/pydata-sphinx-theme) from 0.17.1 to 0.18.0.
- [Release notes](https://github.com/pydata/pydata-sphinx-theme/releases)
- [Changelog](https://github.com/pydata/pydata-sphinx-theme/blob/main/RELEASE.md)
- [Commits](pydata/pydata-sphinx-theme@v0.17.1...v0.18.0)

---
updated-dependencies:
- dependency-name: pydata-sphinx-theme
  dependency-version: 0.18.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -74,7 +74,7 @@ documentation = [
     "sphinx-rtd-theme==3.1.0",
     "sphinx-gallery==0.21.0",
     "sphinx_design==0.6.1",
-    "pydata-sphinx-theme==0.17.1"
+    "pydata-sphinx-theme==0.18.0"
 ]
 dev = [
     "flake8==7.3.0"