chore(deps): update dependency mike to v2.1.4 (kubeovn#389)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

docs/requirements.txt

@@ -1,6 +1,6 @@
 jieba==0.42.1
 jinja2==3.1.6
-mike==2.1.3
+mike==2.1.4
 mkdocs-git-revision-date-localized-plugin==1.5.1
 mkdocs-markdownextradata-plugin==0.2.6
 mkdocs-material==9.7.4