Fixes on app.go wiring

Please use this binary for upgrade happening on 3rd March 2022.
The older versions have a bug in app wiring, and validator nodes using 0.2.1 or 0.2.2 will halt on client update proposal.

What's Changed

• Update go version in go.mod. by @puneet2019 in #73
• update client router by @puneet2019 in #74

Full Changelog: v0.1.3...v0.2.3