Fix Bazel 0.18.1 installer sha. (#234)

diff --git a/container/common/bazel/version.bzl b/container/common/bazel/version.bzl
index fda7f5b..4c13490 100644
--- a/container/common/bazel/version.bzl
+++ b/container/common/bazel/version.bzl
@@ -6,6 +6,6 @@
     "0.17.1": "feedbe02c81142ed95ef8d380472f0a0d88e1b9a4b1fb6e21728701032b68e02",
     "0.17.2": "31fac8b2edcc6d95f1afb21725f604479eb440596e7fc7554fd47e293020ced9",
     "0.18.0": "48ddaa9c9fef73dbe68517f274f09b33c3c8fdf3410638808b609f82b177d397",
-    "0.18.1": "9dcd29bf09c0f617680b74f52b7d2cff04883fda74b836ba1954d5b3e650be80",
+    "0.18.1": "8073657ced2bb323dd2e7ba6e39011ca56b856cae475b476e9b77d30123582e5",
     "0.19.0": "b9e988643b10444d6d8eb04461418b7b80e3d171e12d1c8b6e2a50f541e739e7",
 }