[flutter_releases] Flutter stable 3.19.6 Framework Cherrypicks (#146939)

# Flutter stable 3.19.6 Framework

## Scheduled Cherrypicks
diff --git a/bin/internal/engine.version b/bin/internal/engine.version
index 86ec781..05b664c 100644
--- a/bin/internal/engine.version
+++ b/bin/internal/engine.version
@@ -1 +1 @@
-e76c956498841e1ab458577d3892003e553e4f3c
+c4cd48e186460b32d44585ce3c103271ab676355