roll: gn

From: git_revision:00b741b1568d56cf4e117dcb9f70cd42653b4c78
To: git_revision:cc28efe62ef0c2fb32455f414a29c4a55bb7fbc4

CQ-Do-Not-Cancel-Tryjobs: true
Roller-URL: https://ci.chromium.org/b/8802654249925849793
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If8780d51b129e18366217d68675d821046e7602a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/110890
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed.google.com.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed.google.com.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 2d95eb6..38aac93 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:00b741b1568d56cf4e117dcb9f70cd42653b4c78"
+        "git_revision:cc28efe62ef0c2fb32455f414a29c4a55bb7fbc4"
       ],
       "version_file": ".versions/gn.cipd_version"
     },