chore: Bump deps

[taion]

No description provided.

[silvenon]

Awesome! ❤️

Two problems I spotted:

• yarn storybook fails because rules.js.inlineCss from webpack-atoms is no longer a function
• I think this is a good opportunity to revisit two tests in TransitionGroup-tests.js which define the Child component
  • these tests seem invalid because componentWillEnter and componentWillLeave don't exist 🤷

[taion]

d'oh

[taion]

@silvenon okay, the storybook was screwed up more broadly because the transitions themselves were disabled. i fixed it and modernized some of the code. i also took out those 2 stale test cases

[silvenon]

Looks great! 👌 Nice an modern ❤️

[unrevised6419]

@taion @silvenon My suggestion would be to revert back react and react-dom devdependencies versions to

"react": "~16.6.3",
"react-dom": "~16.6.3",

because they are listed also in peerDependencies, and there is a risk to use some react APIs in released package that are not supported by the dependencies of react-transition-group users, and this would imply a breaking change.

[taion]

The peer dependencies use a >= range. I expect most users are actually on the latest React versions at this point, so it seems to me to make more sense to test against those.

[unrevised6419]

I expect most users are actually on the latest React versions at this point

I also thought this on redux-form but it seems is not the case. 🙂

What I mean above is that for example I'm working on a feature in react-transition-group and I will be tempted to use a react feature that was introduced in react 16.8 (my build will succeed, because dev version of react is 16.13). And we release this new feature. And some users of the library, may update to latest minor version but still have react 16.6 installed, and their build will fail.

[silvenon]

I think it's best to set up a sanity test on CI with lowest supported React version.

[jquense]

🎉 This PR is included in version 4.4.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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