v0.15.1

Bump expected go version and address linter issues.
No real bugfixes or expected differences with v0.15.0.

What's Changed

• [chore] Bump github.com/kinbiko/jsonassert from 1.1.0 to 1.1.1 by @dependabot in #56
• [build] Bump golang.org/x/text from 0.3.0 to 0.3.8 in /examples by @dependabot in #57
• [build] Bump golang.org/x/net from 0.0.0-20200822124328-c89045814202 to 0.7.0 in /examples by @dependabot in #58
• Bump google.golang.org/grpc from 1.45.0 to 1.53.0 in /examples by @dependabot in #59
• [chore]: Spring cleaning by @kinbiko in #60

Full Changelog: v0.15.0...v0.15.1