Bump mkdocs-macros-plugin from 1.2.0 to 1.3.7 (#593)

Bumps [mkdocs-macros-plugin](https://github.com/fralau/mkdocs_macros_plugin) from 1.2.0 to 1.3.7.
- [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@v1.2.0...v1.3.7)

---
updated-dependencies:
- dependency-name: mkdocs-macros-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -1,2 +1,2 @@
 mkdocs-material[imaging]==9.5.48
-mkdocs-macros-plugin==1.2.0
+mkdocs-macros-plugin==1.3.7