Bump flask-cors from 5.0.0 to 6.0.0

Bumps [flask-cors](https://github.com/corydolphin/flask-cors) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/corydolphin/flask-cors/releases)
- [Changelog](https://github.com/corydolphin/flask-cors/blob/main/CHANGELOG.md)
- [Commits](corydolphin/flask-cors@5.0.0...6.0.0)

---
updated-dependencies:
- dependency-name: flask-cors
  dependency-version: 6.0.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

server/requirements.txt

@@ -7,7 +7,7 @@ docusign-esign==4.0.0
 Flask==3.0.3
 Flask-Session==0.8.0
 flask-wtf==1.2.2
-flask-cors==5.0.0
+flask-cors==6.0.0
 idna==3.10
 itsdangerous==2.2.0
 Jinja2==3.1.5