Bump werkzeug from 0.16.1 to 2.2.3 in /promotion-service

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 0.16.1 to 2.2.3.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](pallets/werkzeug@0.16.1...2.2.3)

---
updated-dependencies:
- dependency-name: werkzeug
  dependency-type: direct:production
...

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

Author: dependabot[bot]

promotion-service/requirements.txt

@@ -4,7 +4,7 @@ connexion[swagger-ui] <= 2.3.0; python_version=="3.5" or python_version=="3.4"
 # connexion requires werkzeug but connexion < 2.4.0 does not install werkzeug
 # we must peg werkzeug versions below to fix connexion
 # https://github.com/zalando/connexion/pull/1044
-werkzeug == 0.16.1; python_version=="3.5" or python_version=="3.4"
+werkzeug == 2.2.3; python_version=="3.5" or python_version=="3.4"
 swagger-ui-bundle >= 0.0.2
 python_dateutil >= 2.6.0
 setuptools >= 21.0.0

promotion-service/requirements_dev.txt

@@ -4,7 +4,7 @@ connexion[swagger-ui] <= 2.3.0; python_version=="3.5" or python_version=="3.4"
 # connexion requires werkzeug but connexion < 2.4.0 does not install werkzeug
 # we must peg werkzeug versions below to fix connexion
 # https://github.com/zalando/connexion/pull/1044
-werkzeug == 0.16.1; python_version=="3.5" or python_version=="3.4"
+werkzeug == 2.2.3; python_version=="3.5" or python_version=="3.4"
 swagger-ui-bundle >= 0.0.2
 python_dateutil >= 2.6.0
 setuptools >= 21.0.0