roll: gn

From: git_revision:281ba2c91861b10fec7407c4b6172ec3d4661243
To: git_revision:f1b1412521b41e47118b29863224171e434a27a2

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Roller-URL: https://ci.chromium.org/b/8825484685167698481
Cq-Cl-Tag: roller-builder:gn-roller
Cq-Cl-Tag: roller-bid:8825484685167698481
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I787a94d13ffcc7acab2861e1c9f258cd757b265c
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/77600
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: 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 3e84783..f437db9 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
@@ -9,7 +9,7 @@
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-      "git_revision:281ba2c91861b10fec7407c4b6172ec3d4661243"
+      "git_revision:f1b1412521b41e47118b29863224171e434a27a2"
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