Roll Packages from 78f684ce6771 to 6698b2d67999 (3 revisions) (#146761)

https://github.com/flutter/packages/compare/78f684ce6771...6698b2d67999

2024-04-14 collin@flutterflow.io Fix error in markdown parsing image dimensions (flutter/packages#6518)
2024-04-12 34871572+gmackall@users.noreply.github.com [Many] Bump to min minSdkVersion of 19 across all plugins (flutter/packages#6506)
2024-04-12 stuartmorgan@google.com [video_player] Darwin implementation cleanup (flutter/packages#6507)

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diff --git a/bin/internal/flutter_packages.version b/bin/internal/flutter_packages.version
index 69d0678..f5d71b1 100644
--- a/bin/internal/flutter_packages.version
+++ b/bin/internal/flutter_packages.version
@@ -1 +1 @@
-78f684ce67719fec6bb763e2ceb12e62a34a2c3e
+6698b2d67999be8c673db1905ffbb9df3047960b