roll: rust

From: git_revision:4d1fbaccb822b6d52dc786589de7918d3c5effb1
To: git_revision:4e4d49d60fd696c4036d438292673a2d7fd34519

CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I3bb136b59a44bf04ab010c0ba8126ee05d53c891
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 45cefaa..acfe21b 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
@@ -79,7 +79,7 @@
     "_comment": "TODO(pwbug/69) Put rust in cipd for Windows.",
     "path": "fuchsia/rust/${os=linux,mac}-${arch}",
     "tags": [
-      "git_revision:4d1fbaccb822b6d52dc786589de7918d3c5effb1"
+      "git_revision:4e4d49d60fd696c4036d438292673a2d7fd34519"
     ]
   },
   {