Roll gn from afd24ed11bc5 to e5c4d1881b85

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Cq-Include-Trybots: luci.dart.try:dart-sdk-linux-try;luci.dart.try:dart-sdk-mac-try;luci.dart.try:dart-sdk-mac-arm64-try;luci.dart.try:dart-sdk-win-try
Change-Id: I4857c405336a40163e740aedb7237bd507537c61
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/433120
Commit-Queue: Alexander Markov <[email protected]>
Reviewed-by: Alexander Markov <[email protected]>
Reviewed-by: Alexander Aprelev <[email protected]>

Author: DEPS Autoroller

DEPS

@@ -78,7 +78,7 @@ vars = {
   "clang_version": "git_revision:8c7a2ce01a77c96028fe2c8566f65c45ad9408d3",
 
   # https://chrome-infra-packages.appspot.com/p/gn/gn
-  "gn_version": "git_revision:afd24ed11bc5fbef775a3ffe46c72e6bdca0fa60",
+  "gn_version": "git_revision:e5c4d1881b85b82789b7013233a944cf1a46370f",
 
   "reclient_version": "re_client_version:0.178.0.5ee9d3e8-gomaip",
   "download_reclient": True,