Bump mkdocs version up to 1.1.2

Author: Oleksandr Anyshchenko

requirements.lock

@@ -1,18 +1,18 @@
 # Main requirements
 mkdocs-material==4.6.3
-mkdocs==1.1
+mkdocs==1.1.2
 Jinja2==2.11.1
-Pygments==2.6.1
+Pygments==2.7.3
 pygments-github-lexers==0.0.5
--e git+https://github.com/exonum/mkdocs-codeinclude-plugin@cf40bdcfeb11600e1e571b69fe2abae80173971c#egg=mkdocs_codeinclude_plugin
+mkdocs_codeinclude_plugin==0.2.0
 ## The following requirements were added by pip freeze:
 Click==7.0
 future==0.17.1
 livereload==2.6.1
-lunr[languages]==0.5.6
+lunr[languages]==0.5.8
 Markdown==3.2.1
 MarkupSafe==1.1.1
 pymdown-extensions==8.1.0
-PyYAML==5.1
-six==1.12.0
-tornado==6.0.3
+PyYAML==5.3.1
+six==1.15.0
+tornado==6.1