roll: go

From: version:2@1.16.3
To: version:2@1.16.4

CQ-Do-Not-Cancel-Tryjobs: true
Roller-URL: https://ci.chromium.org/b/8846430954541555088
Cq-Cl-Tag: roller-builder:go-roller
Cq-Cl-Tag: roller-bid:8846430954541555088
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Iaa59756610501e1bcc0a0fd6c6c9fe780253ac4a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/46740
Reviewed-by: 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 84d2578..bcbb34c 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
@@ -111,7 +111,7 @@
       "windows-amd64"
     ],
     "tags": [
-      "version:2@1.16.3"
+      "version:2@1.16.4"
     ]
   },
   {