Update V8 to version 8.7.180.

Summary of changes available at:
https://chromium.googlesource.com/v8/v8/+log/5a952a34..2f1c8428

Please follow these instructions for assigning/CC'ing issues:
https://v8.dev/docs/triage-issues

Please close rolling in case of a roll revert:
https://v8-roll.appspot.com/
This only works with a Google account.

CQ_INCLUDE_TRYBOTS=luci.chromium.try:linux-blink-rel
CQ_INCLUDE_TRYBOTS=luci.chromium.try:linux_optional_gpu_tests_rel
CQ_INCLUDE_TRYBOTS=luci.chromium.try:mac_optional_gpu_tests_rel
CQ_INCLUDE_TRYBOTS=luci.chromium.try:win_optional_gpu_tests_rel
CQ_INCLUDE_TRYBOTS=luci.chromium.try:android_optional_gpu_tests_rel

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Change-Id: I748185aaeb34c94ab36bef63e41c50b939d1731f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2428823
Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#810230}
diff --git a/DEPS b/DEPS
index 2fc57eb..8cd5417 100644
--- a/DEPS
+++ b/DEPS
@@ -199,7 +199,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.
-  'v8_revision': '5a952a34fcca1c71f1baa636f26879545d0dec92',
+  'v8_revision': '2f1c84284f6e7538e6eaf272de99c92f492a7f9b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling swarming_client
   # and whatever else without interference from each other.