flask-cors: Remove minimum version pinning. HEAD main

The build was failing with

```
ContextualVersionConflict(flask-cors 0.0.1
... Requirement.parse('flask-cors>=3.0.9'), {'gn-auth'})
```

1 files changed, 1 insertions, 1 deletions

diff --git a/setup.py b/setup.py
index 77e5eb3..59cd86f 100755
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,7 @@ setup(author="Frederick M. Muriithi",
           "pymonad",
           "redis>=3.5.3",
           "requests>=2.25.1",
-          "flask-cors>=3.0.9",
+          "flask-cors", # with the `>=3.0.9` specification, it breaks the build
           "gn-libs>=0.0.0"
       ],
       include_package_data=True,