[MNT] [Dependabot](deps-dev): Update mkdocs-material requirement from ==9.5.* to >=9.5,<9.8 (#617)

Updates the requirements on
[mkdocs-material](https://github.com/squidfunk/mkdocs-material) to
permit the latest version.

Author: dependabot[bot]

pyproject.toml

@@ -59,7 +59,7 @@ dependencies = [
 dev = [
     "wget",
     "bump2version==1.0.1",
-    "mkdocs-material==9.5.*",
+    "mkdocs-material>=9.5,<9.8",
     "ipython[notebook]>8.0,<9.0",
     "mkdocstrings[python]==0.29.*",
     "mknotebooks==0.8.*",