chore(deps): Bump json_annotation from 4.7.0 to 4.8.0 in /flutter_news_example/api

[dependabot[bot]]

Bumps json_annotation from 4.7.0 to 4.8.0.

Commits

• 44d0080 Prepare to release pkg:json_annotation v4.8.0 (#1268)
• 58db73b Latest mono_repo (#1267)
• 388010e checked_yaml: drop dep overrides (#1266)
• e8f2b32 Prepare checked_yaml v2.0.2 release (#1265)
• b5c7af1 Work around SDK issue in v3.0-dev (#1262)
• c6836ae update example readme to use "dart run" over "pub run" (#1258)
• 776df7c Add JsonKey.includeFromJson/includeToJson - allow explicit control of seriali...
• 7638402 tool: share formatter
• f6614d3 Refactor some enum helpers
• 16284aa Update re-response logic (#1253)
• Additional commits viewable in compare view

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