Do not use go get to install executables

https://go.dev/doc/go-get-install-deprecation

Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>

script/setup/install-critools

@@ -23,7 +23,7 @@ set -eu -o pipefail
 script_dir="$(cd -- "$(dirname -- "$0")" > /dev/null 2>&1; pwd -P)"
 
 cd "$(go env GOPATH)"
-go get -u github.com/onsi/ginkgo/ginkgo
+go install github.com/onsi/ginkgo/ginkgo@v1.16.5
 
 : "${CRITEST_COMMIT:=$(cat "${script_dir}/critools-version")}"
 : "${DESTDIR:=""}"