Update flask to 3.1.3#1399

pyup-bot wants to merge 1 commit intomastercclauss/pythonista-module-versions:masterfrom

pyup-update-flask-0.10.1-to-3.1.3cclauss/pythonista-module-versions:pyup-update-flask-0.10.1-to-3.1.3Copy head branch name to clipboard