Fix licenses golden (#34701)

* [flutter_releases] Roll Dart SDK to 08d2a29

* Roll forward to 29d4cf893476

* Fix license hash
diff --git a/ci/licenses_golden/licenses_third_party b/ci/licenses_golden/licenses_third_party
index 1aee69f..3b5a19c 100644
--- a/ci/licenses_golden/licenses_third_party
+++ b/ci/licenses_golden/licenses_third_party
@@ -1,4 +1,4 @@
-Signature: 3c9326d24c25268c73106b6559d8d4ed
+Signature: 2f87de89ff4f814ec43db803d2f00106
 
 UNUSED LICENSES: