Pin envtest version

As per instructions at https://github.com/kubernetes-sigs/controller-runtime/tree/main/tools/setup-envtest

This should prevent current and future breakage.

Makefile

@@ -68,7 +68,7 @@ manifests: generate
 install-tools:
 	go install github.com/onsi/ginkgo/[email protected]
 	go install sigs.k8s.io/controller-tools/cmd/[email protected]
-	go install sigs.k8s.io/controller-runtime/tools/setup-envtest@latest
+	go install sigs.k8s.io/controller-runtime/tools/setup-envtest@release-0.17
 
 install-tools-homebrew:
 	brew install kubernetes-cli kustomize kind