Add React v17 peer dependency

[arnabsen]

Can confirm it works with React v17. Will remove the console warnings for those already on React v17.

[nkbt]

Should be good to go, thanks! react-copy-to-clipboard@5.0.3

% npm info react-copy-to-clipboard
react-copy-to-clipboard@5.0.3 | MIT | deps: 2 | versions: 27
Copy-to-clipboard React component
https://github.com/nkbt/react-copy-to-clipboard

keywords: component, react-component, react, copy to clipboard, clipboard

dist
.tarball: https://registry.npmjs.org/react-copy-to-clipboard/-/react-copy-to-clipboard-5.0.3.tgz
.shasum: 2a0623b1115a1d8c84144e9434d3342b5af41ab4
.integrity: sha512-9S3j+m+UxDZOM0Qb8mhnT/rMR0NGSrj9A/073yz2DSxPMYhmYFBMYIdI2X4o8AjOjyFsSNxDRnCX6s/gRxpriw==
.unpackedSize: 38.3 kB

dependencies:
copy-to-clipboard: ^3 prop-types: ^15.5.8   

maintainers:
- nkbt <nik@butenko.me>

dist-tags:
latest: 5.0.3  

published 3 minutes ago by nkbt <nik@butenko.me>
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