[webservice] Pin markupsafe version

Description

Pin markupsafe to the latest known working version.

How Has This Been Tested?

CI

Relevant Documents (optional)

https://github.com/pallets/jinja/issues/1585#issuecomment-1043892628

Types of changes

• Chore (non-code changes, e.g. comments, readme, grammar, etc...)

Checklist:

Reviewers