update imgcrypt binary to v1.1.9

Signed-off-by: 吴小白 <296015668@qq.com>

script/setup/imgcrypt-version

@@ -1 +1 @@
-8eebb5ea37f38ff04f1a543252bdcd78cef7ce6b
+v1.1.9

script/setup/install-imgcrypt

@@ -22,12 +22,12 @@ set -eu -o pipefail
 
 script_dir="$(cd -- "$(dirname -- "$0")" > /dev/null 2>&1; pwd -P)"
 
-: "${IMGCRYPT_COMMIT:=$(cat "${script_dir}/imgcrypt-version")}"
+: "${IMGCRYPT_VERSION:=$(cat "${script_dir}/imgcrypt-version")}"
 
 TMPROOT=$(mktemp -d)
 git clone https://github.com/containerd/imgcrypt.git "${TMPROOT}"/imgcrypt
 pushd "${TMPROOT}"/imgcrypt
-git checkout "${IMGCRYPT_COMMIT}"
+git checkout "${IMGCRYPT_VERSION}"
 make
 make containerd-release -e DESTDIR="${DESTDIR}/usr/local"