fix links

Author: zeitlinger

CHANGELOG.md

@@ -46,6 +46,9 @@ release.
   ([#4802](https://github.com/open-telemetry/opentelemetry-specification/pull/4802))
 - Declarative configuration: clarify Registry ComponentProvider `type` parameter
   ([#4799](https://github.com/open-telemetry/opentelemetry-specification/pull/4799))
+- Declarative configuration: Update instrumentation config behavior to return 
+  empty object when not set
+  ([#4817](https://github.com/open-telemetry/opentelemetry-specification/pull/4817))
 
 ### Common