Makefile: hardcode version of setup-envtest

Makefile

@@ -64,13 +64,16 @@ go-deps:
 	chmod +x ./vendor/k8s.io/code-generator/generate-groups.sh
 	chmod +x ./vendor/k8s.io/code-generator/generate-internal-groups.sh
 
+
+# Always use a version of setup-envtest that matches the MCO's kube version
+# Update this along with every kube bump the MCO does
 SETUP_ENVTEST := $(shell command -v setup-envtest 2> /dev/null)
 install-setup-envtest:
 ifdef SETUP_ENVTEST
 	@echo "Found setup-envtest"
 else
 	@echo "Installing setup-envtest"
-	go install -mod= sigs.k8s.io/controller-runtime/tools/setup-envtest@latest
+	go install -mod= sigs.k8s.io/controller-runtime/tools/setup-envtest@v0.0.0-20240315194348-5aaf1190f880
 endif
 
 GO_JUNIT_REPORT := $(shell command -v go-junit-report 2> /dev/null)