chore: correct the contributor link in CONTRIBUTING.md (vuejs#6621)

ulivz · yyx990803 · commit 4441e0f9d16e · 2017-09-18T11:32:04.000-04:00
diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
@@ -138,4 +138,4 @@ Funds donated via Patreon goes directly to support Evan You's full-time work on
 
 Thank you to all the people who have already contributed to vuejs!
 
-<a href="graphs/contributors"><img src="https://opencollective.com/vuejs/contributors.svg?width=890" /></a>
+<a href="https://github.com/vuejs/vue/graphs/contributors"><img src="https://opencollective.com/vuejs/contributors.svg?width=890" /></a>

Original file line number	Diff line number	Diff line change
`@@ -138,4 +138,4 @@ Funds donated via Patreon goes directly to support Evan You's full-time work on`
`138`	`138`
`139`	`139`	`Thank you to all the people who have already contributed to vuejs!`
`140`	`140`
`141`		`-<a href="graphs/contributors"><img src="https://opencollective.com/vuejs/contributors.svg?width=890" /></a>`
	`141`	`+<a href="https://github.com/vuejs/vue/graphs/contributors"><img src="https://opencollective.com/vuejs/contributors.svg?width=890" /></a>`