adds build number of ios device in flutter devices command (#84512)

https://dart.googlesource.com/external/github.com/flutter/flutter/+/604c59e522b2f8493da7c12e36609fe8b2f8ea1f
diff --git a/commits.json b/commits.json
index 6c77696..aaa24bd 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "external/github.com/flutter/engine":"99b752ed2c8f87bb1d13d89a7cee3fb9caa3b1f2",
-  "external/github.com/flutter/flutter":"b9bf5769338d52f33e7d8734c59fb9d7463e6471",
+  "external/github.com/flutter/flutter":"604c59e522b2f8493da7c12e36609fe8b2f8ea1f",
   "sdk":"c015e02180d0e4231eacc71817f6230182203bc2"
 }
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