Update dockerfile to new go (#266)
Update dockerfile to new go (#266)

## Which problem is this PR solving?

- The latest release of honeytail updated to a new version of go that needs a later version of alpine. It also requires a change in the installation command.

## Short description of the changes

- Update alpine to 3.16 (and thereby go 1.18)
- Remove deprecated MAINTAINER command
- Change `go get` to `go install`


honeycombio/honeytail,honeycombio/honeytail