Bump mkdocs-macros-plugin from 1.3.7 to 1.3.9 (#4)

Bumps [mkdocs-macros-plugin](https://github.com/fralau/mkdocs_macros_plugin) from 1.3.7 to 1.3.9.
- [Release notes](https://github.com/fralau/mkdocs_macros_plugin/releases)
- [Changelog](https://github.com/fralau/mkdocs-macros-plugin/blob/master/CHANGELOG.md)
- [Commits](fralau/mkdocs-macros-plugin@v1.3.7...v1.3.9)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -27,7 +27,7 @@ dependencies = [
     "mkdocs-autorefs==1.4.2",
     "mkdocs-include-markdown-plugin==7.1.6",
     "mkdocs-literate-nav==0.6.2",
-    "mkdocs-macros-plugin==1.3.7",
+    "mkdocs-macros-plugin==1.3.9",
     "mkdocs-material==9.6.17",
     "mkdocs==1.6.1",
     "pymdown-extensions==10.16",