chore(deps): update dependency flask-cors to v6 [security] (#13376)

* chore(deps): update dependency flask-cors to v6 [security]

* Revert invalid Python 3.8 dep bump

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Co-authored-by: Katie McLaughlin <[email protected]>

Author: renovate-bot

endpoints/getting-started/requirements.txt

@@ -1,5 +1,5 @@
 Flask==3.0.3
-flask-cors==5.0.1; python_version >= "3.9"
+flask-cors==6.0.0; python_version >= "3.9"
 flask-cors==5.0.0; python_version == "3.8"
 gunicorn==23.0.0
 six==1.16.0