docs: update broken link in UPGRADING.md (vercel#60342)

samcx · web-flow · commit 6568502dcfea · 2024-01-06T14:46:07.000-08:00
This link → [/docs/02-app/01-building-your-application/09-upgrading/index.mdx](https://github.com/vercel/next.js/blob/21452921c055421ec8a44dae6e0e5f311c503337/docs/02-app/01-building-your-application/09-upgrading/index.mdx) doesn't exist. Fixing it to link to the correct directory. Closes NEXT-2006
diff --git a/UPGRADING.md b/UPGRADING.md
@@ -1 +1 @@
-This document has been moved to [nextjs.org/docs/upgrading](https://nextjs.org/docs/upgrading). It's also available in this repository on [/docs/02-app/01-building-your-application/09-upgrading/index.mdx](/docs/02-app/01-building-your-application/09-upgrading/index.mdx).
+This document has been moved to [nextjs.org/docs/upgrading](https://nextjs.org/docs/upgrading). It's also available in this repository on [/docs/02-app/01-building-your-application/10-upgrading](/docs/02-app/01-building-your-application/10-upgrading).

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-This document has been moved to [nextjs.org/docs/upgrading](https://nextjs.org/docs/upgrading). It's also available in this repository on [/docs/02-app/01-building-your-application/09-upgrading/index.mdx](/docs/02-app/01-building-your-application/09-upgrading/index.mdx).`
	`1`	`+This document has been moved to [nextjs.org/docs/upgrading](https://nextjs.org/docs/upgrading). It's also available in this repository on [/docs/02-app/01-building-your-application/10-upgrading](/docs/02-app/01-building-your-application/10-upgrading).`