Bump werkzeug from 2.2.3 to 2.3.8 in /met-etl (#2447)

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 2.2.3 to 2.3.8.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](pallets/werkzeug@2.2.3...2.3.8)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

met-etl/requirements.txt

@@ -8,7 +8,7 @@ Flask-SQLAlchemy==2.5.1
 Flask==2.2.3
 SQLAlchemy-Utils==0.38.3
 SQLAlchemy==1.3.24
-Werkzeug==2.2.3
+Werkzeug==2.3.8
 flask-marshmallow==0.11.0
 flask-restx==0.5.1
 marshmallow-sqlalchemy==0.25.0