Bump flask-wtf from 1.2.1 to 1.2.2

Bumps [flask-wtf](https://github.com/pallets-eco/flask-wtf) from 1.2.1 to 1.2.2.
- [Release notes](https://github.com/pallets-eco/flask-wtf/releases)
- [Changelog](https://github.com/pallets-eco/flask-wtf/blob/main/docs/changes.rst)
- [Commits](pallets-eco/flask-wtf@v1.2.1...v1.2.2)

---
updated-dependencies:
- dependency-name: flask-wtf
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

src/requirements.txt

@@ -1,6 +1,6 @@
 Flask-Mail==0.10.0
 flask-session==0.8.0
-Flask-WTF==1.2.1
+Flask-WTF==1.2.2
 Flask==3.0.*
 Werkzeug==3.0.*
 cs50==9.3.4