Build: Bump mkdocs-material from 9.6.14 to 9.6.15

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 9.6.14 to 9.6.15.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](squidfunk/mkdocs-material@9.6.14...9.6.15)

---
updated-dependencies:
- dependency-name: mkdocs-material
  dependency-version: 9.6.15
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

poetry.lock

@@ -114,7 +114,7 @@ mkdocstrings-python = "1.16.12"
 mkdocs-literate-nav = "0.6.2"
 mkdocs-autorefs = "1.4.2"
 mkdocs-gen-files = "0.5.0"
-mkdocs-material = "9.6.14"
+mkdocs-material = "9.6.15"
 mkdocs-material-extensions = "1.3.1"
 mkdocs-section-index = "0.3.10"