Update flask-cors requirement from <6 to <7

Updates the requirements on [flask-cors](https://github.com/corydolphin/flask-cors) to permit the latest version.
- [Release notes](https://github.com/corydolphin/flask-cors/releases)
- [Changelog](https://github.com/corydolphin/flask-cors/blob/main/CHANGELOG.md)
- [Commits](corydolphin/flask-cors@0.0.0dev...6.0.1)

---
updated-dependencies:
- dependency-name: flask-cors
  dependency-version: 6.0.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -65,7 +65,7 @@ dependencies = [
     "pillow>=9,<12",
     "importlib_metadata>=3.3,<7 ; python_version < '3.8'",
     "click<9",
-    "Flask-Cors<6",
+    "Flask-Cors<7",
 ]
 
 [tool.setuptools.packages.find]