Bump werkzeug from 2.1.2 to 2.2.1

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 2.1.2 to 2.2.1.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](pallets/werkzeug@2.1.2...2.2.1)

---
updated-dependencies:
- dependency-name: werkzeug
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -45,7 +45,7 @@ psycopg2-binary = {version = "^2.9.3", optional = true}
 sphinx = {version = "^5.1.1", optional = true}
 sphinxcontrib-httpdomain = {version = "^1.8.0", optional = true}
 # https://github.com/sphinx-contrib/httpdomain/issues/60
-Werkzeug = {version = "<2.2", optional = true, extras = ["docs"]}
+Werkzeug = {version = "<2.3", optional = true, extras = ["docs"]}
 
 statsd = "^3.3.0"
 pymemcache = "^3.5.2"