Update Helm to v3.7.0

This pulls in Kubernetes dependencies at `v0.22.1`, but should include
improvements that would help resolve #149

Signed-off-by: Hidde Beydals <[email protected]>

Author: hiddeco

api/go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/fluxcd/pkg/apis/kustomize v0.1.0
 	github.com/fluxcd/pkg/apis/meta v0.10.0
 	github.com/fluxcd/pkg/runtime v0.12.0
-	k8s.io/apiextensions-apiserver v0.21.3
-	k8s.io/apimachinery v0.21.3
+	k8s.io/apiextensions-apiserver v0.22.1
+	k8s.io/apimachinery v0.22.1
 	sigs.k8s.io/controller-runtime v0.9.5
 )