Bump Bazelisk version to 1.4.0

Change-Id: I3bf9981aa65ffdf2f0fc8ef967f00366b8502068
diff --git a/jenkins-docker/slave-bazel-nocache/Makefile b/jenkins-docker/slave-bazel-nocache/Makefile
index a93edfb..f13a91b 100644
--- a/jenkins-docker/slave-bazel-nocache/Makefile
+++ b/jenkins-docker/slave-bazel-nocache/Makefile
@@ -2,7 +2,7 @@
 IMAGE=gerritforge/gerrit-ci-slave-bazel:debian-stretch-nocache
 BAZEL_VER=3.0.0
 BUILDIFIER_VER=2.2.1
-BAZELISK_VER=1.3.0
+BAZELISK_VER=1.4.0
 NODE_VER=10
 WCT_VER=6.8.0