Merge pull request #4361 from k0sproject/dependabot/pip/docs/mike-2.1.0

Bump mike from 2.0.0 to 2.1.0 in /docs

Author: github-actions[bot]

docs/requirements.txt

@@ -9,7 +9,7 @@ Markdown==3.6
 MarkupSafe==2.1.5
 mdx-truly-sane-lists==1.3
 mergedeep==1.3.4
-mike==2.0.0
+mike==2.1.0
 mkdocs==1.5.3
 mkdocs-exclude==1.0.2
 mkdocs-macros-plugin==1.0.5