Reflect.metadata is not a function

[splincode]

Clone: https://github.com/taiga-family/taiga-ui

$ npx knip
Reason: Reflect.metadata is not a function
projects/demo/webpack.config.ts

[webpro]

This is a downstream issue. Issues/PRs to track:

• Reflect.metadata is not a function unjs/jiti#145
• fix: optional access to Reflect.metadata unjs/jiti#165
• 🐛 Fix if reflect-metadata not imported leonardfactory/babel-plugin-transform-typescript-metadata#70

[webpro]

See #565