Upgraded app-ui-kit to v4.7.0

[cathywise]

2025-01-22

🔧 Changed

• Upgraded @canva/app-ui-kit to version 4.7.0 Please see the changelog for the list of changes.
• Moved webpack.config.cjs to webpack.config.ts for type checking.
• Updated file name casing to be consistent, and added an elint rule to enforce this
• Dependencies audit bringing modules up to date:

  @eslint/js                                9.16.0   →   9.18.0
  @formatjs/cli                             6.3.14   →   6.3.15
  @formatjs/ts-transformer                 3.13.26   →  3.13.27
  @typescript-eslint/eslint-plugin          8.18.0   →   8.20.0
  @typescript-eslint/parser                 8.18.0   →   8.20.0
  eslint                                    9.16.0   →   9.18.0
  eslint-plugin-formatjs                     5.2.8   →    5.2.9
  eslint-plugin-jest                        28.9.0   →  28.11.0
  eslint-plugin-react                       7.37.2   →   7.37.4
  globals                                  15.13.0   →  15.14.0
  terser-webpack-plugin                     5.3.10   →   5.3.11
  ts-loader                                  9.5.1   →    9.5.2
  webpack-dev-server                         5.1.0   →    5.2.0