Bump werkzeug from 2.2.2 to 3.1.6 in /ts-loadgenerator

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 2.2.2 to 3.1.6.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](pallets/werkzeug@2.2.2...3.1.6)

---
updated-dependencies:
- dependency-name: werkzeug
  dependency-version: 3.1.6
  dependency-type: indirect
...

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

Author: dependabot[bot]

ts-loadgenerator/requirements.txt

@@ -42,10 +42,9 @@ jinja2==3.1.2
 locust==2.14.2
     # via -r requirements.in
 markupsafe==2.1.2
-numpy==1.23.5
-    # via pandas (required dependency)
-pandas==1.5.3
-    # via TrainTicket-Workload (needed for api_admin.py)
+    # via
+    #   jinja2
+    #   werkzeug
 msgpack==1.0.4
     # via locust
 psutil==5.9.4
@@ -64,7 +63,7 @@ typing-extensions==4.4.0
     # via locust
 urllib3==1.26.14
     # via requests
-werkzeug==2.2.2
+werkzeug==3.1.6
     # via
     #   flask
     #   locust