chore(deps): bump mkdocs-open-in-new-tab from 1.0.5 to 1.0.6 in /docs

Bumps [mkdocs-open-in-new-tab](https://github.com/JakubAndrysek/mkdocs-open-in-new-tab) from 1.0.5 to 1.0.6.
- [Release notes](https://github.com/JakubAndrysek/mkdocs-open-in-new-tab/releases)
- [Commits](https://github.com/JakubAndrysek/mkdocs-open-in-new-tab/commits)

---
updated-dependencies:
- dependency-name: mkdocs-open-in-new-tab
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

docs/requirements.txt

@@ -3,4 +3,4 @@ mkdocs-material==9.5.39
 mkdocs-material-extensions==1.3.1
 mike==2.1.3
 mkdocs-git-revision-date-plugin==0.3.2
-mkdocs-open-in-new-tab==1.0.5
+mkdocs-open-in-new-tab==1.0.6