Update google_benchmark

Rolling v8/third_party/google_benchmark/src: https://chromium.googlesource.com/external/github.com/google/benchmark/+log/48c2d1c..d4bc509

Fix SOVERSION of shared library (Dominic Hamon)
https://chromium.googlesource.com/external/github.com/google/benchmark/+/d4bc509

v1.6.2 bump (Dominic Hamon)
https://chromium.googlesource.com/external/github.com/google/benchmark/+/7a2024e

R=v8-waterfall-sheriff@grotations.appspotmail.com,mtv-sf-v8-sheriff@grotations.appspotmail.com,mlippautz@chromium.org

Change-Id: I3aea0df8dc06edd78f3e4e8329ab17ed58a6ed6b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3768773Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81801}

DEPS

@@ -235,7 +235,7 @@ deps = {
     'dep_type': 'cipd',
   },
   'third_party/google_benchmark/src': {
-    'url': Var('chromium_url') + '/external/github.com/google/benchmark.git' + '@' + '48c2d1c1ee54aaf583a3bec69f2a7e35f19b53da',
+    'url': Var('chromium_url') + '/external/github.com/google/benchmark.git' + '@' + 'd4bc509bcd54266e80bef26d5829ea43ead2908e',
   },
   'third_party/googletest/src':
     Var('chromium_url') + '/external/github.com/google/googletest.git' + '@' + 'af29db7ec28d6df1c7f0f745186884091e602e07',