Merge pull request #137 from PedroBern/dependabot/pip/docs/mkdocs-1.2.3

Bump mkdocs from 1.0.4 to 1.2.3 in /docs

docs/requirements.txt

@@ -1,4 +1,4 @@
-mkdocs==1.0.4
+mkdocs==1.2.3
 mkdocs-markdownextradata-plugin==0.1.1
 mkdocs-material==4.6.0
 mkdocs-minify-plugin==0.2.1