Python dependency: Update wtforms requirement in /web/regression

Updates the requirements on [wtforms](https://github.com/pallets-eco/wtforms) to permit the latest version.
- [Release notes](https://github.com/pallets-eco/wtforms/releases)
- [Changelog](https://github.com/pallets-eco/wtforms/blob/main/CHANGES.rst)
- [Commits](pallets-eco/wtforms@3.1.0...3.2.0)

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

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

requirements.txt

@@ -21,7 +21,7 @@ Flask-Babel==4.0.*
 Flask-Security-Too==5.5.*; python_version >= '3.10'
 Flask-Security-Too==5.4.*; python_version <= '3.9'
 Flask-SocketIO==5.4.*
-WTForms==3.1.*
+WTForms==3.2.*
 passlib==1.*
 pytz==2024.*
 speaklater3==1.*