[UPDATE] Update mkdocstrings requirement

Updates the requirements on [mkdocstrings](https://github.com/mkdocstrings/mkdocstrings) to permit the latest version.
- [Release notes](https://github.com/mkdocstrings/mkdocstrings/releases)
- [Changelog](https://github.com/mkdocstrings/mkdocstrings/blob/main/CHANGELOG.md)
- [Commits](https://github.com/mkdocstrings/mkdocstrings/compare/1.0.6...1.0.8)

---
updated-dependencies:
- dependency-name: mkdocstrings
  dependency-version: 1.0.8
  dependency-type: direct:development
...

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

pyproject.toml

@@ -83,7 +83,7 @@ tests = [
 docs = [
     "mkdocs>=1.6.1,<2.0.0",
     "mkdocs-material>=9.7.7,<10.0.0",
-    "mkdocstrings>=1.0.6,<2.0.0",
+    "mkdocstrings>=1.0.8,<2.0.0",
     "mkdocstrings-python>=2.0.9,<3.0.0",
     "mkdocs-include-markdown-plugin>=7.3.0,<8.0.0",
 ]