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:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

poetry.lock

@@ -8,7 +8,7 @@ readme = "README.md"
 
 [tool.poetry.dependencies]
 python = "^3.10"
-mkdocs-material = "^9.6.14"
+mkdocs-material = "^9.6.15"
 mkdocs-minify-plugin = "^0.8.0"
 mkdocs-redirects = "^1.2.2"
 mkdocs-static-i18n = "^1.3.0"