chore(deps): update dependency mkdocstrings to ^0.28.0

Author: renovate[bot]

pyproject.toml

@@ -37,7 +37,7 @@ optional = true
 [tool.poetry.group.docs.dependencies]
 mkdocs = "^1.4.2"
 mkdocs-material = "^9.0.11"
-mkdocstrings = {extras = ["python"], version = "^0.24.0"}
+mkdocstrings = {extras = ["python"], version = "^0.28.0"}
 mkdocs-git-revision-date-localized-plugin = "^1.1.0"
 mkdocs-section-index = "^0.3.5"
 mkdocs-literate-nav = "^0.6.0"