Fix PR template link

Signed-off-by: Patrice Chalin <[email protected]>

.github/pull_request_template.md

@@ -2,7 +2,7 @@ Thank you for helping make the Dapr documentation better!
 
 **Please follow this checklist before submitting:**
 - [ ] Commits are signed with Developer Certificate of Origin (DCO - [learn more](https://docs.dapr.io/contributing/contributing-overview/#developer-certificate-of-origin-signing-your-work))
-- [ ] [Read the contribution guide](https://docs.dapr.io/contributing/contributing-docs/)
+- [ ] [Read the contribution guide](https://docs.dapr.io/contributing/docs-contrib/contributing-docs/)
 - [ ] Commands include options for Linux, MacOS, and Windows within codetabs
 - [ ] New file and folder names are globally unique
 - [ ] Page references use shortcodes instead of markdown or URL links