Update dependency click to v8.1.4 (#446)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [click](https://palletsprojects.com/p/click/)
([changelog](https://click.palletsprojects.com/changes/)) | patch |
`==8.1.3` -> `==8.1.4` |

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, click
this checkbox.

---

This PR has been generated by [Renovate
Bot](https://togithub.com/renovatebot/renovate).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzMi4xOTAuNiIsInVwZGF0ZWRJblZlciI6IjMyLjE5MC42In0=-->

.github/workflows/mkdocs-requirements.txt

@@ -1,4 +1,4 @@
-click==8.1.3
+click==8.1.4
 future==0.18.3
 Jinja2==3.1.2
 livereload==2.6.3