docs: Fix broken link (#4766)

website/content/docs/configuration/worker/worker-configuration.mdx

@@ -168,7 +168,7 @@ kms "aead" {
 }
 ```
 
-[`initial_upstreams`](/boundary/docs/configuration/worker/overview#initial_upstreams)
+[`initial_upstreams`](/boundary/docs/configuration/worker#initial_upstreams)
 are used to connect to upstream Boundary clusters.
 
 ## Resources
@@ -216,4 +216,4 @@ worker {
 
 The `name` and `description` fields are not valid configuration fields for workers that use worker-led or controller-led authorization. You can only set these fields through the API and they are only valid for workers that use the [KMS authorization method](/boundary/docs/configuration/worker/worker-configuration#kms-led-authorization-authentication-flow).
 
-</Note>
+</Note>