Bump Bazel version to 5.0.0

Change-Id: I4196e3d6afcba8f9c8bed7196d11a50d6d6fcb97
diff --git a/jenkins-docker/agent-bazel-nocache/Makefile b/jenkins-docker/agent-bazel-nocache/Makefile
index da4bead..568d5da 100644
--- a/jenkins-docker/agent-bazel-nocache/Makefile
+++ b/jenkins-docker/agent-bazel-nocache/Makefile
@@ -3,7 +3,7 @@
 NO_CACHE=false
 PREFIX=gerritforge
 IMAGE=${PREFIX}/gerrit-ci-agent-bazel:debian-buster-nocache
-BAZEL_VER=4.2.0
+BAZEL_VER=5.0.0
 BUILDIFIER_VER=4.0.0
 BAZELISK_VER=1.7.4
 NODE_VER=10