Update peerdependency to account for React 17

[timneutkens]

Makes sure you don't see a peerdependency warning when React 17 is installed.

[ijjk]

Stats from current PR

Default Server Mode (Decrease detected ✓)

General Overall increase ⚠️

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
buildDuration	12.5s	12.7s	⚠️ +133ms
nodeModulesSize	90.8 MB	90.8 MB	⚠️ +14 B

Page Load Tests Overall decrease ⚠️

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
/ failed reqs	0	0	✓
/ total time (seconds)	2.336	2.34	0
/ avg req/sec	1070.21	1068.25	⚠️ -1.96
/error-in-render failed reqs	0	0	✓
/error-in-render total time (seconds)	1.278	1.313	⚠️ +0.03
/error-in-render avg req/sec	1956.68	1903.58	⚠️ -53.1

Client Bundles (main, webpack, commons)

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
677f882d2ed8..35e7.js gzip	11.1 kB	11.1 kB	✓
framework.HASH.js gzip	39 kB	39 kB	✓
main-0297b89..3d55.js gzip	7.34 kB	7.34 kB	✓
webpack-e067..f178.js gzip	751 B	751 B	✓
Overall change	58.1 kB	58.1 kB	✓

Client Bundles (main, webpack, commons) Modern

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
677f882d2ed8..dule.js gzip	6.94 kB	6.94 kB	✓
framework.HA..dule.js gzip	39 kB	39 kB	✓
main-8539e6d..dule.js gzip	6.32 kB	6.32 kB	✓
webpack-07c5..dule.js gzip	751 B	751 B	✓
Overall change	53 kB	53 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
polyfills-4b..e242.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
_app-9a0b9e1..b37e.js gzip	1.28 kB	1.28 kB	✓
_error-ed1b0..8fbd.js gzip	3.44 kB	3.44 kB	✓
hooks-89731c..c609.js gzip	887 B	887 B	✓
index-17468f..5d83.js gzip	227 B	227 B	✓
link-89ad9e7..25bb.js gzip	1.34 kB	1.34 kB	✓
routerDirect..924c.js gzip	284 B	284 B	✓
withRouter-7..c13d.js gzip	284 B	284 B	✓
Overall change	7.74 kB	7.74 kB	✓

Client Pages Modern

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
_app-75d3a82..dule.js gzip	625 B	625 B	✓
_error-4469a..dule.js gzip	2.29 kB	2.29 kB	✓
hooks-cbf13f..dule.js gzip	387 B	387 B	✓
index-b9a643..dule.js gzip	226 B	226 B	✓
link-aeb707b..dule.js gzip	1.29 kB	1.29 kB	✓
routerDirect..dule.js gzip	284 B	284 B	✓
withRouter-f..dule.js gzip	282 B	282 B	✓
Overall change	5.39 kB	5.39 kB	✓

Client Build Manifests

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
_buildManifest.js gzip	322 B	322 B	✓
_buildManife..dule.js gzip	329 B	329 B	✓
Overall change	651 B	651 B	✓

Rendered Page Sizes

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
index.html gzip	1 kB	1 kB	✓
link.html gzip	1.01 kB	1.01 kB	✓
withRouter.html gzip	996 B	996 B	✓
Overall change	3.01 kB	3.01 kB	✓

---

Serverless Mode

General Overall increase ⚠️

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
buildDuration	14.4s	14.4s	-2ms
nodeModulesSize	90.8 MB	90.8 MB	⚠️ +14 B

Client Bundles (main, webpack, commons)

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
677f882d2ed8..35e7.js gzip	11.1 kB	11.1 kB	✓
framework.HASH.js gzip	39 kB	39 kB	✓
main-0297b89..3d55.js gzip	7.34 kB	7.34 kB	✓
webpack-e067..f178.js gzip	751 B	751 B	✓
Overall change	58.1 kB	58.1 kB	✓

Client Bundles (main, webpack, commons) Modern

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
677f882d2ed8..dule.js gzip	6.94 kB	6.94 kB	✓
framework.HA..dule.js gzip	39 kB	39 kB	✓
main-8539e6d..dule.js gzip	6.32 kB	6.32 kB	✓
webpack-07c5..dule.js gzip	751 B	751 B	✓
Overall change	53 kB	53 kB	✓

Legacy Client Bundles (polyfills)

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
polyfills-4b..e242.js gzip	31 kB	31 kB	✓
Overall change	31 kB	31 kB	✓

Client Pages

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
_app-9a0b9e1..b37e.js gzip	1.28 kB	1.28 kB	✓
_error-ed1b0..8fbd.js gzip	3.44 kB	3.44 kB	✓
hooks-89731c..c609.js gzip	887 B	887 B	✓
index-17468f..5d83.js gzip	227 B	227 B	✓
link-89ad9e7..25bb.js gzip	1.34 kB	1.34 kB	✓
routerDirect..924c.js gzip	284 B	284 B	✓
withRouter-7..c13d.js gzip	284 B	284 B	✓
Overall change	7.74 kB	7.74 kB	✓

Client Pages Modern

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
_app-75d3a82..dule.js gzip	625 B	625 B	✓
_error-4469a..dule.js gzip	2.29 kB	2.29 kB	✓
hooks-cbf13f..dule.js gzip	387 B	387 B	✓
index-b9a643..dule.js gzip	226 B	226 B	✓
link-aeb707b..dule.js gzip	1.29 kB	1.29 kB	✓
routerDirect..dule.js gzip	284 B	284 B	✓
withRouter-f..dule.js gzip	282 B	282 B	✓
Overall change	5.39 kB	5.39 kB	✓

Client Build Manifests

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
_buildManifest.js gzip	322 B	322 B	✓
_buildManife..dule.js gzip	329 B	329 B	✓
Overall change	651 B	651 B	✓

Serverless bundles

	vercel/next.js canary	timneutkens/next.js fix/update-react-peerdependency	Change
_error.js	1.06 MB	1.06 MB	✓
404.html	4.73 kB	4.73 kB	✓
hooks.html	3.92 kB	3.92 kB	✓
index.js	1.06 MB	1.06 MB	✓
link.js	1.1 MB	1.1 MB	✓
routerDirect.js	1.1 MB	1.1 MB	✓
withRouter.js	1.1 MB	1.1 MB	✓
Overall change	5.42 MB	5.42 MB	✓

Commit: f4cebaa