chore: Update React

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
react (source)	devDependencies	minor	^16.11.0 -> ^16.12.0
react (source)	dependencies	minor	^16.11.0 -> ^16.12.0
react-dom (source)	devDependencies	minor	^16.11.0 -> ^16.12.0
react-dom (source)	dependencies	minor	^16.11.0 -> ^16.12.0
react-popper	dependencies	patch	^1.3.4 -> ^1.3.6
react-test-renderer (source)	devDependencies	minor	^16.11.0 -> ^16.12.0

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Release Notes

facebook/react

v16.12.0

Compare Source

React DOM

• Fix passive effects (useEffect) not being fired in a multi-root app. (@​acdlite in #​17347)

React Is

• Fix lazy and memo types considered elements instead of components (@​bvaughn in #​17278)

souporserious/react-popper

v1.3.6

Compare Source

• fix: issue with react@15 that lead to Maximum call stack size exceeded errors

v1.3.5

Compare Source

• perf: set side effects to 'false' (#​309)
• docs: fix demo (#​303)
• fix: allow popper modfiers to be updated (#​302)
• fix: allow ref objects to be passed (#​308)
• fix: referenceNode memory leak in Manager (#​312) (#​313)

TypeScript:

• fix: update TypeScript types to allow SVG references (#​299)
• feat: Export PopperChildrenProps and PopperArrowProps (#​301)

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