Version 3.1.0

Context: Reauthoring version 3.1.0 as we discovered a last minute issue after the original version 3.1.0 was built. This issue caused a crash for Windows 7 end users on Flutter app startup.

Change-Id: I6b6bafa2e19d70498b5bb50b330701e30cf4746f
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/320887
Reviewed-by: Jonas Termansen <[email protected]>
Commit-Queue: Kevin Chisholm <[email protected]>

Author: itsjustkevin

CHANGELOG.md

@@ -1,11 +1,4 @@
-## 3.1.1
-
-This is a patch release that:
-- Fixes Windows 7 dart crash (issue [#130554])
-
-[#130554]: https://github.com/flutter/flutter/issues/130554
-
-## 3.1.0
+## 3.1.0 - 2023-08-16
 
 ### Libraries
 

tools/VERSION

@@ -29,3 +29,5 @@ MINOR 1
 PATCH 0
 PRERELEASE 0
 PRERELEASE_PATCH 0
+
+# Retagging version due to a cherry-pick that occured after the original build.