Merge pull request #253 from TRaSH-/dependabot/pip/mkdocs-macros-plugin-0.5.5

Bump mkdocs-macros-plugin from 0.4.18 to 0.5.5

docs/requirements.txt

@@ -1,7 +1,7 @@
 mkdocs==1.1.2
 mkdocs-material==7.1.7
 pymdown-extensions==8.2
-mkdocs-macros-plugin==0.4.18
+mkdocs-macros-plugin==0.5.5
 mkdocs-awesome-pages-plugin==2.4.0
 mkdocs-redirects==1.0.1
 mkdocs-git-revision-date-localized-plugin==0.9.2