Update modules and tidy.

Stumbled onto this: google/gnostic#262 when running
`go get -u .`, so updated packages with `go get` separately and tidy in the end

go.mod

@@ -3,11 +3,11 @@ module github.com/utilitywarehouse/semaphore-policy
 go 1.16
 
 require (
-	github.com/hashicorp/go-hclog v0.14.1
+	github.com/hashicorp/go-hclog v1.0.0
 	github.com/projectcalico/libcalico-go v1.7.2-0.20210203145557-b29066676c74
-	github.com/prometheus/client_golang v1.9.0
-	github.com/stretchr/testify v1.6.1
-	k8s.io/api v0.20.4
-	k8s.io/apimachinery v0.20.4
-	k8s.io/client-go v0.20.4
+	github.com/prometheus/client_golang v1.11.0
+	github.com/stretchr/testify v1.7.0
+	k8s.io/api v0.22.2
+	k8s.io/apimachinery v0.22.2
+	k8s.io/client-go v0.22.2
 )