Incrementing VERSION to 86.0.4240.198

TBR=bindusuvarna@chromium.org

Change-Id: I09993896a30f6e6941e752004b1ff4ae7fc74d7d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2531239
Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/4240@{#1431}
Cr-Branched-From: f297677-refs/heads/master@{#800218}

chrome/VERSION

@@ -1,4 +1,4 @@
 MAJOR=86
 MINOR=0
 BUILD=4240
-PATCH=197
+PATCH=198