fix(makefile): if the original path has spaces, the error "No such file or directory" will appear

Signed-off-by: cndoit18 <[email protected]>

Author: cndoit18

Makefile

@@ -19,7 +19,7 @@ GOOS ?= $(shell uname -s | tr '[:upper:]' '[:lower:]')
 GOARCH ?= amd64
 
 PATH := $(BINDIR):$(PATH)
-SHELL := env PATH=$(PATH) /bin/sh
+SHELL := env PATH='$(PATH)' /bin/sh
 
 # check if kubebuilder is installed in local bin dir and set KUBEBUILDER_ASSETS
 ifneq ("$(wildcard $(BINDIR)/kubebuilder)", "")