Update CI and Dockerfile to use Go 1.18 #57
Description
Expected Behaviour
Update CI and Dockerfile to use Go 1.18
Current Behaviour
Still using Go 1.16 to build this project
https://github.com/openfaas/ingress-operator/blob/master/go.mod#L3
https://github.com/openfaas/ingress-operator/blob/master/Dockerfile
https://github.com/openfaas/ingress-operator/tree/master/.github/workflows