after install package, add $GOPATH/bin to env PATH

Signed-off-by: gy95 <guoyao17@huawei.com>

hack/update-codegen.sh

@@ -10,6 +10,9 @@ cd "${REPO_ROOT}"
 
 echo "Generating with deepcopy-gen"
 GO111MODULE=on go install k8s.io/code-generator/cmd/deepcopy-gen
+GOPATH=$(go env GOPATH | awk -F ':' '{print $1}')
+export PATH=$PATH:$GOPATH/bin
+
 deepcopy-gen \
   --go-header-file hack/boilerplate/boilerplate.go.txt \
   --input-dirs=github.com/karmada-io/karmada/pkg/apis/cluster/v1alpha1 \

hack/util.sh

@@ -29,6 +29,8 @@ function util::install_tools() {
 	temp_path=$(mktemp -d)
 	pushd "${temp_path}" >/dev/null
 	GO111MODULE=on go get "${package}"@"${version}"
+	GOPATH=$(go env GOPATH | awk -F ':' '{print $1}')
+	export PATH=$PATH:$GOPATH/bin
 	popd >/dev/null
 	rm -rf "${temp_path}"
 }