roll: gn

From: git_revision:f284b6b47039a2d7edfcbfc51f52664f82b5a789
To: git_revision:b0c2742896b6b9f869dc0eb35ae4785cbf2a4512
Roller-URL: https://ci.chromium.org/b/8748114875572790337
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I16bb11a82f1e982c77ec379f0dea9837c8138de5
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/209660
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/pw_env_setup/py/pw_env_setup/cipd_setup/pigweed.json b/pw_env_setup/py/pw_env_setup/cipd_setup/pigweed.json
index d9b19b8..71620dc 100644
--- a/pw_env_setup/py/pw_env_setup/cipd_setup/pigweed.json
+++ b/pw_env_setup/py/pw_env_setup/cipd_setup/pigweed.json
@@ -10,7 +10,7 @@
         "windows-amd64"
       ],
       "tags": [
-        "git_revision:f284b6b47039a2d7edfcbfc51f52664f82b5a789"
+        "git_revision:b0c2742896b6b9f869dc0eb35ae4785cbf2a4512"
       ],
       "version_file": ".versions/gn.cipd_version"
     },