feat(app): migrate to new `@unionlabs/sdk` package family

- migrate to new `@unionlabs/sdk`
- add `@unionlabs/sdk-evm` support
- add `@unionlabs/sdk-cosmos` support
- add support for `TokenOrderV2` submission
- remove many usages of deprecated `@unionlabs/client`
- add `knip` for automated dead code removal

Signed-off-by: Eric Hegnes <eric@hegnes.com>