Roll Flutter (stable) from e99c9c7cd9f6 to 52b3dc25f647 (4 revisions) (…

…#6690)

* 7fb1d47b6 [releases] Handle privatecommand messages that pass no data #112590 (flutter/flutter#114461)

* 013ada8cf [release] Do not assume that pub is the first command run by "flutter create" (#114621) (flutter/flutter#114945)

* a1b297691 CP: Fix the path where footer is written. (flutter/flutter#114947)

* 52b3dc25f [CP] Fix a type casting error in text_input.dart (#109635) (flutter/flutter#114806)

.ci/flutter_stable.version

@@ -1 +1 @@
-e99c9c7cd9f6c0b2f8ae6e3ebfd585239f5568f4
+52b3dc25f6471c27b2144594abb11c741cb88f57