Incrementing VERSION to 71.0.3559.4

TBR=kariah@chromium.org

Change-Id: Id0c0743ce59a24ab3e232ef4b74f3a9b2a062a98
Reviewed-on: https://chromium-review.googlesource.com/1240159
Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/branch-heads/3559@{#5}
Cr-Branched-From: b522cfef32adcfdedf00a6e03362101db42bd80a-refs/heads/master@{#593399}
diff --git a/chrome/VERSION b/chrome/VERSION
index 94911dc..d312f94 100644
--- a/chrome/VERSION
+++ b/chrome/VERSION
@@ -1,4 +1,4 @@
 MAJOR=71
 MINOR=0
 BUILD=3559
-PATCH=3
+PATCH=4