Update fuzztest (trusted)

Rolling third_party/fuzztest/src: https://chromium.googlesource.com/external/github.com/google/fuzztest/+log/2bc3312..a1840dc

Replace fuzztest_single_test_mode with ..._multi_test_mode_soon_to_be_removed. (Xinhao Yuan)
https://chromium.googlesource.com/external/github.com/google/fuzztest/+/a1840dc

Revert an accidentally flipped prediction. (Xinhao Yuan)
https://chromium.googlesource.com/external/github.com/google/fuzztest/+/fd61d9a

Add ability to exclude specific sets of features when creating a seed corpus. (Dan Snyder)
https://chromium.googlesource.com/external/github.com/google/fuzztest/+/805f32c

Fix logging. (Xinhao Yuan)
https://chromium.googlesource.com/external/github.com/google/fuzztest/+/2bdfb36

Mutate newly added fields to protobuf because they can have empty value (e.g., nullopt). (Hadi Ravanbakhsh)
https://chromium.googlesource.com/external/github.com/google/fuzztest/+/eca35cc

Roll created at https://cr-buildbucket.appspot.com/build/8706406863792381777

Cq-Include-Trybots: luci.v8.try:v8_linux64_asan_centipede_compile_dbg
Change-Id: I53806cbc1f187fcb32d470a64f1d58bb8e294704
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/6855194
Commit-Queue: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Bot-Commit: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#101909}
diff --git a/DEPS b/DEPS
index 356f0ed..9174255 100644
--- a/DEPS
+++ b/DEPS
@@ -280,7 +280,7 @@
   'third_party/fuzztest':
     Var('chromium_url') + '/chromium/src/third_party/fuzztest.git' + '@' + 'aa6ba9074b8d66a2e2853a0a0992c25966022e13',
   'third_party/fuzztest/src':
-    Var('chromium_url') + '/external/github.com/google/fuzztest.git' + '@' + '2bc33128266f1e4385d42dabc0999b42e463b708',
+    Var('chromium_url') + '/external/github.com/google/fuzztest.git' + '@' + 'a1840dc11daa286e293c9f8397390d7a13fa5dde',
   'third_party/googletest/src':
     Var('chromium_url') + '/external/github.com/google/googletest.git' + '@' + '244cec869d12e53378fa0efb610cd4c32a454ec8',
   'third_party/highway/src':