Bump mike from 2.0.0 to 2.1.1

Bumps [mike](https://github.com/jimporter/mike) from 2.0.0 to 2.1.1.
- [Release notes](https://github.com/jimporter/mike/releases)
- [Changelog](https://github.com/jimporter/mike/blob/master/CHANGES.md)
- [Commits](jimporter/mike@v2.0.0...v2.1.1)

---
updated-dependencies:
- dependency-name: mike
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

mkdocs-requirements.txt

@@ -1,3 +1,3 @@
 
 mkdocs-material==9.5.21
-mike==2.0.0
+mike==2.1.1