Bump click from 8.1.3 to 8.1.6

Bumps [click](https://github.com/pallets/click) from 8.1.3 to 8.1.6.
- [Release notes](https://github.com/pallets/click/releases)
- [Changelog](https://github.com/pallets/click/blob/8.1.6/CHANGES.rst)
- [Commits](pallets/click@8.1.3...8.1.6)

---
updated-dependencies:
- dependency-name: click
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -1,6 +1,6 @@
 certifi==2023.5.7
 charset-normalizer==3.1.0
-click==8.1.3
+click==8.1.6
 commonmark==0.9.1
 Flask==2.2.5
 Flask-APScheduler==1.12.4