chore(deps): update dependency json_serializable to v6.11.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
json_serializable (source)	dev_dependencies	minor	>=6.0.0 <6.9.0 -> 6.11.1

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Release Notes

google/json_serializable.dart (json_serializable)

v6.11.1

Compare Source

• Allow build: '>=3.0.0 <5.0.0'.
• Allow source_gen: '>=3.1.0 <5.0.0'.

v6.11.0

Compare Source

• Support JsonKey annotation on constructor parameters.
• Require analyzer: '>=7.4.0 <9.0.0'
• Require dart_style: ^3.0.0
• Require meta: ^1.15.0
• Require source_helper: ^1.3.6
• Require source_gen: ^3.1.0, stop using deprecated TypeChecker.fromRuntime
  and use the new TypeChecker.typeNamed instead.

v6.10.0

Compare Source

• Required analyzer: ^7.4.0.
• Switch to analyzer element2 model and build: ^3.0.0-dev.
• Move package:collection to a dev dependency.
• Use new null-aware element feature in generated code.
• Require Dart 3.8

v6.9.5

Compare Source

• Support the analyzer: '>=6.9.0 <8.0.0'.
• Fixed use of deprecated analyzer APIs.

v6.9.4

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• Fix extra line being generated when targeting Dart 3.7 package.

v6.9.3

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• Error out if the target package does not have a language version of 3.0 or
  greater.

v6.9.2

Compare Source

• Support the latest package:analyzer.

v6.9.1

Compare Source

• Support the latest package:source_gen.
• Require Dart 3.6

v6.9.0

Compare Source

• Use conditional map syntax to clean up null handling in toJson functions.
• Fix core Dart type links in docs.
• Require Dart 3.5

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✔️ Code generated!

Name	Link
🪓 Triggered by	f392646d02cb16fbb1013d02e1d15521f291eecd
🍃 Generated commit	35169aeb2ae36f4b9a9487c3108f886c4569549e
🌲 Generated branch	generated/renovate/json_serializable-6.x