Bump mkdocs-markdownextradata-plugin from 0.2.5 to 0.2.6

Bumps [mkdocs-markdownextradata-plugin](https://github.com/rosscdh/mkdocs-markdownextradata-plugin) from 0.2.5 to 0.2.6.
- [Release notes](https://github.com/rosscdh/mkdocs-markdownextradata-plugin/releases)
- [Commits](rosscdh/mkdocs-markdownextradata-plugin@0.2.5...0.2.6)

---
updated-dependencies:
- dependency-name: mkdocs-markdownextradata-plugin
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

docs/requirements.txt

@@ -2,7 +2,7 @@ jieba==0.42.1
 jinja2==3.1.4
 mike==2.1.3
 mkdocs-git-revision-date-localized-plugin==1.2.7
-mkdocs-markdownextradata-plugin==0.2.5
+mkdocs-markdownextradata-plugin==0.2.6
 mkdocs-material==9.5.32
 mkdocs-minify-plugin==0.8.0
 mkdocs-static-i18n==1.2.3