Update google_benchmark

Rolling v8/third_party/google_benchmark/src: https://chromium.googlesource.com/external/github.com/google/benchmark/+log/db2de74..0e1255a

Removing freenode from README (Dominic Hamon)
https://chromium.googlesource.com/external/github.com/google/benchmark/+/0e1255a

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

Change-Id: Ibf16c3ba389fe8b35685660d3e78d3eccda1e6e5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2924507Reviewed-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@{#74844}

DEPS

@@ -195,7 +195,7 @@ deps = {
   'third_party/googletest/src':
     Var('chromium_url') + '/external/github.com/google/googletest.git' + '@' + 'a3460d1aeeaa43fdf137a6adefef10ba0b59fe4b',
   'third_party/google_benchmark/src': {
-    'url': Var('chromium_url') + '/external/github.com/google/benchmark.git' + '@' + 'db2de74cc8c34131a6f673e35751935cc1897a0d',
+    'url': Var('chromium_url') + '/external/github.com/google/benchmark.git' + '@' + '0e1255af2fdad14e688a97450391e52b35a7a61f',
   },
   'third_party/jinja2':
     Var('chromium_url') + '/chromium/src/third_party/jinja2.git' + '@' + '6906af9d94ae10e895af4b7d07a34206e8de1424',