deprecated: @vercel/flags (npm) used in templates

[mathieusouflis]

Deprecated package

@vercel/flags (npm) is marked deprecated on its registry.

Deprecation notice: This package has been renamed to flags. It offers the same functionality under a new name. Please follow the upgrade guide https://github.com/vercel/flags/blob/main/packages/flags/guides/upgrade-to-v4.md

Affected generators

• feature_flags_vercel

What to do

• Check whether there is a recommended replacement package
• Update all affected generators to use the replacement
• Close this issue once resolved

A version-bump PR has been opened — review whether it resolves the deprecation or whether a package rename is needed.