Roll Packages from 84218b9d834c to 9bf208f4beb6 (7 revisions) (#132659)

https://github.com/flutter/packages/compare/84218b9d834c...9bf208f4beb6

2023-08-16 engine-flutter-autoroll@skia.org Manual roll Flutter from 9b6945b4 to f0e7c518 (63 revisions) (flutter/packages#4719)
2023-08-15 31859944+LongCatIsLooong@users.noreply.github.com Update palette_generator_test.dart (flutter/packages#4720)
2023-08-15 mit@google.com [pigeon] Fix typo in README.md (flutter/packages#4707)
2023-08-15 43054281+camsim99@users.noreply.github.com [camerax] Explicitly remove READ_EXTERNAL_STORAGE permission (flutter/packages#4716)
2023-08-15 10687576+bparrishMines@users.noreply.github.com [webview_flutter_platform_interface] Adds support for retrieving user agent (flutter/packages#4563)
2023-08-15 43054281+camsim99@users.noreply.github.com [camerax] Wrap classes to implement resolution configuration for video capture (flutter/packages#4620)
2023-08-15 49699333+dependabot[bot]@users.noreply.github.com Bump github/codeql-action from 2.21.3 to 2.21.4 (flutter/packages#4706)

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://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/flutter_packages.version

-84218b9d834cd1d19d41a0b2079c9cdd1db67bd4
+9bf208f4beb6e4b8b26dd4df27871985f497cc5c