Release v0.6.0
IMPROVEMENTS
- client: update openapi-generator to 6.4.0
BUILD
- build: upgrade golang to 1.20 and tidy deps
- docs: update deps
- fix(deps): update module github.com/moov-io/base to v0.39.0
- fix(deps): update module golang.org/x/oauth2 to v0.5.0