Roll Flutter Engine from bd2132a0814f to 45e2b41e5ae5 (2 revisions) (#133518)

https://github.com/flutter/engine/compare/bd2132a0814f...45e2b41e5ae5

2023-08-28 jacksongardner@google.com [skwasm] encode PNGs using browser APIs (flutter/engine#45187)
2023-08-28 skia-flutter-autoroll@skia.org Roll Dart SDK from 5d3ab5db5037 to 2900ad211f38 (3 revisions) (flutter/engine#45192)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC jimgraham@google.com,rmistry@google.com,zra@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://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

bin/internal/engine.version

-bd2132a0814f6df95471e97f7d5efaca515506bd
+45e2b41e5ae5563afbfaca45d873451a6962d8a3