* Upgrade godo to latest
* Fix a bunch of issues found by
* Running staticcheck on a codebase for the first time is a sobering experience
* go mod tidy
* More static improvements
Signed-off-by: Chris Cummer <chriscummer@me.com>
According to OpsGenie API documentation:
``If using the EU instance of Opsgenie, the URL needs to be https://api.eu.opsgenie.com for requests to be
successful.```