v6.0.0-RC.28

What's Changed

• fix(deps-update): bump @cowprotocol/app-data from 2.4.0 to 2.5.1 by @dependabot in #268
• fix(deps-update): bump @ethersproject/abstract-signer from 5.7.0 to 5.8.0 by @dependabot in #269
• fix(deps-update): bump exponential-backoff from 3.1.1 to 3.1.2 by @dependabot in #270
• fix(deps-update): bump graphql from 16.6.0 to 16.10.0 by @dependabot in #271

Full Changelog: v6.0.0-RC.27...v6.0.0-RC.28