Bump mobx_codegen from 2.0.4 to 2.3.0

[dependabot[bot]]

Bumps mobx_codegen from 2.0.4 to 2.3.0.

Commits

• 6e6378c feat: Adds custom equals for creating observables. (#907)
• ea1ba4f chore: typo (#918)
• b3c9ad2 feat: Adds support for annotations (#904)
• d99a5c6 gh-844 (#894)
• 558449a Bump http-cache-semantics from 4.1.0 to 4.1.1 in /docs (#900)
• b80f710 Bump ua-parser-js from 0.7.32 to 0.7.33 in /docs (#896)
• 4400ea1 Refactor atom.dart to make code cleaner (#854)
• 13b7e6d test: action should wrap in transaction (#833)
• 4395c8c updating docs with latest versions of packages
• 94cea63 Bump loader-utils from 2.0.2 to 2.0.4 in /docs (#882)
• Additional commits viewable in compare view

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