build(deps): bump mkdocs-material from 9.5.18 to 9.5.19

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 9.5.18 to 9.5.19.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](squidfunk/mkdocs-material@9.5.18...9.5.19)

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

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

requirements.txt

@@ -4,7 +4,7 @@ twitchio==2.9.1
 pyyaml==6.0.1
 tortoise-orm[asyncpg]==0.20.1
 aerich==0.7.2
-mkdocs-material==9.5.18
+mkdocs-material==9.5.19
 cairosvg==2.7.0
 pillow==10.3.0
 mike==2.0.0