docs: fix typo in fixtures/nesting/README.md

[suravshrestha]

Summary

This pull request corrects the typo "intall" to "install" in the Markdown file fixtures/nesting/README.md.

How did you test this change?

[react-sizebot]

Comparing: 2acfb7b...1b99357

Critical size changes

Includes critical production bundles, as well as any change greater than 2%:

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
oss-stable/react-dom/cjs/react-dom.production.min.js	=	168.90 kB	168.90 kB	=	52.69 kB	52.69 kB
oss-experimental/react-dom/cjs/react-dom.production.min.js	=	170.71 kB	170.71 kB	=	53.24 kB	53.24 kB
facebook-www/ReactDOM-prod.classic.js	=	590.23 kB	590.23 kB	=	103.62 kB	103.62 kB
facebook-www/ReactDOM-prod.modern.js	=	566.56 kB	566.56 kB	=	99.57 kB	99.57 kB
test_utils/ReactAllWarnings.js	Deleted	64.04 kB	0.00 kB	Deleted	16.02 kB	0.00 kB

Significant size changes

Includes any change greater than 0.2%:

Expand to show

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
test_utils/ReactAllWarnings.js	Deleted	64.04 kB	0.00 kB	Deleted	16.02 kB	0.00 kB

Generated by 🚫 dangerJS against 1b99357

[github-actions]

This pull request has been automatically marked as stale. If this pull request is still relevant, please leave any comment (for example, "bump"), and we'll keep it open. We are sorry that we haven't been able to prioritize reviewing it yet. Your contribution is very much appreciated.

[suravshrestha]

bump

[eps1lon]

Thanks