Bump flask-cors from 4.0.1 to 5.0.0 in /docassemble_webapp

Bumps [flask-cors](https://github.com/corydolphin/flask-cors) from 4.0.1 to 5.0.0.
- [Release notes](https://github.com/corydolphin/flask-cors/releases)
- [Changelog](https://github.com/corydolphin/flask-cors/blob/main/CHANGELOG.md)
- [Commits](corydolphin/flask-cors@4.0.1...5.0.0)

---
updated-dependencies:
- dependency-name: flask-cors
  dependency-type: direct:production
...

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

docassemble_webapp/setup.py

@@ -96,7 +96,7 @@ def read(fname):
     "exceptiongroup==1.2.2",
     "Flask==3.0.3",
     "flask-babel==4.0.0",
-    "Flask-Cors==4.0.1",
+    "Flask-Cors==5.0.0",
     "Flask-Login==0.6.3",
     "Flask-Mail==0.10.0",
     "Flask-SocketIO==5.3.6",