1.28.4

What's Changed

• refactor: EIP-6963 provider implementation from checkout widgets into sdk by @dreamoftrees in #1661
• feat: ID-1563 Add ERC20 transfer methods to the sample app by @imx-mikhala in #1670
• feat: [WT-2184] Passport SDK zkEVM provider support for EIP-6963 by @dreamoftrees in #1630
• fix: ID-1584 Force confirmation popup to be opened while provider is instantiated by @Jon-Alonso in #1676

Full Changelog: 1.28.2...1.28.4