Bump werkzeug from 1.0.1 to 2.2.3 in /sample-apps/flask

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 1.0.1 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@1.0.1...2.2.3)

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

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

Author: dependabot[bot]

sample-apps/flask/requirements.txt

@@ -9,6 +9,6 @@ Jinja2==2.11.3
 MarkupSafe==1.1.1
 requests==2.23.0
 urllib3==1.26.5
-Werkzeug==1.0.1
+Werkzeug==2.2.3
 flask-sqlalchemy==2.4.3
 aws_xray_sdk==2.6.0