Roll Packages from 56df73e to b4e0fc1 (1 revision) (flutter#154824)

flutter/packages@56df73e...b4e0fc1

2024-09-06 engine-flutter-autoroll@skia.org Roll Flutter from 45ef8f3 to 2e221e7 (20 revisions) (flutter/packages#7599)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-packages-flutter-autoroll
Please CC flutter-ecosystem@google.com,rmistry@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

bin/internal/flutter_packages.version

@@ -1 +1 @@
-56df73e3c54ce9ea88a382b71a4ac1562c11efe3
+b4e0fc1bc117d0248c95204dc1985611adc86b15