build(deps): bump github.com/blinklabs-io/tx-submit-api
Bumps [github.com/blinklabs-io/tx-submit-api](https://github.com/blinklabs-io/tx-submit-api) from 0.20.11 to 0.21.0. - [Release notes](https://github.com/blinklabs-io/tx-submit-api/releases) - [Commits](https://github.com/blinklabs-io/tx-submit-api/compare/v0.20.11...v0.21.0) --- updated-dependencies: - dependency-name: github.com/blinklabs-io/tx-submit-api dependency-version: 0.21.0 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <[email protected]>