v0.1.1: Allow for installing a released version of gloo during k8s tests (#20)

* field for released gloo

* don't need test directory for released versions

* got if statement backwards

* add changelog

* go version for tests

* Revert "go version for tests"

This reverts commit 076a83d2671d01139d901cca5238df225b703afc.

* go mod tidy in GHA

* try go 1.18

* try ginkgo 1.16