Update mkdocstrings[python] requirement from ~=0.26.0 to >=0.26,<0.28…

… in the python-dependencies group (#552)

* Update mkdocstrings[python] requirement in the python-dependencies group

Updates the requirements on [mkdocstrings[python]](https://github.com/mkdocstrings/mkdocstrings) to permit the latest version.

Updates `mkdocstrings[python]` to 0.27.0
- [Release notes](https://github.com/mkdocstrings/mkdocstrings/releases)
- [Changelog](https://github.com/mkdocstrings/mkdocstrings/blob/main/CHANGELOG.md)
- [Commits](mkdocstrings/mkdocstrings@0.26.0...0.27.0)

---
updated-dependencies:
- dependency-name: mkdocstrings[python]
  dependency-type: direct:production
  dependency-group: python-dependencies
...

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

* Update pyproject.toml

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Casper Welzel Andersen <[email protected]>

pyproject.toml

@@ -51,7 +51,7 @@ docs = [
     "mkdocs-autorefs~=1.2",
     "mkdocs-awesome-pages-plugin~=2.9",
     "mkdocs-material>=9.5.5,<10",
-    "mkdocstrings[python]~=0.26.0",
+    "mkdocstrings[python]~=0.27.0",
 ]
 testing = [
     "ase~=3.23.0",