chore(master): release openapi-generator-dart 4.12.2

[github-actions[bot]]

:robot: I have created a release beep boop

4.12.2 (2023-08-31)

Features

• Add a format stage to the end of nextGen (acac104)
• added auto deployment (d399f2a)
• updated generator versions (4f13112)

Bug Fixes

• Add work around to be able to always be able to regenerate when run. Add documentation around the usage of useNextGen, add tests (523f169)
• fix gitignore, readd api/petstore_api/pubspec (37f862c)
• fix incorrect find and replace causing tests to fail (0016a03)
• fix tests now that the generator is running correctly (4643a0c)
• Last few tweaks (12c138a)
• Tweak the processing of the builder to handle how process.run returns (90a1b90)
• Use API within SDK bounds (will change in future release), fix the analyzer warnings, fmt (c229767)
• use bool.tryParse instead of casting (5003ea1)
• Use Dart 2 API (8d59613)

Miscellaneous Chores

• release as: 4.12.2 (7be9f51)
• release as: 4.12.2 (a33133a)
• release as: 4.12.2 (d967ffa)

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