docs: clean up docs on release notes (#20777)

* Update v1_3_x.mdx

* Update v1_2_x.mdx

website/content/docs/release-notes/consul-k8s/v1_2_x.mdx

@@ -66,7 +66,7 @@ We are pleased to announce the following Consul updates.
 <Note> Consul 1.15.x and 1.14.x are not supported. Please refer to Supported Consul and Kubernetes versions for more detail on choosing the correct consul-k8s version. </Note>
 
 - Consul 1.16.x.
-- Consul Dataplane v1.2.x. Refer to Envoy and Consul Dataplane for details about Consul Dataplane versions and the available packaged Envoy version.
+- Consul Dataplane v1.2.x. Refer to [Envoy and Consul Dataplane](/consul/docs/v1.16.x/connect/proxies/envoy#envoy-and-consul-dataplane) for details about Consul Dataplane versions and the available packaged Envoy version.
 - Kubernetes 1.24.x - 1.27.x
 - kubectl 1.24.x - 1.27.x
 - Helm 3.6+

website/content/docs/release-notes/consul-k8s/v1_3_x.mdx

@@ -12,10 +12,9 @@ We are pleased to announce the following Consul updates.
 ## Release highlights
 
 **Catalog v2:** This release provides the ability to preview Consul's v2 Catalog and Resource API. You must enable this feature.
-Catalog v2 supports multi-port application deployments with a single Envoy proxy. Refer to the [v2 Catalog and Resource API](/consul/docs/v1.17.x/k8s/multiport) documentation for more information.
+Catalog v2 supports multi-port application deployments with a single Envoy proxy. Refer to the [v2 Catalog and Resource API](/consul/docs/k8s/multiport) documentation for more information.
 
   The v1 and v2 catalogs are not cross compatible, and not all Consul features are available within this v2 feature preview.
-
   - The Consul UI must be disabled. It does not support multi-port services or the v2 catalog API in this release.
   - HCP Consul does not support multi-port services or the v2 catalog API in this release.
   - The v2 API only supports transparent proxy mode where services that have permissions to connect to each other can use Kube DNS to connect.
@@ -27,7 +26,7 @@ Catalog v2 supports multi-port application deployments with a single Envoy proxy
 <Note> Consul 1.15.x and 1.14.x are not supported. Please refer to Supported Consul and Kubernetes versions for more detail on choosing the correct consul-k8s version. </Note>
 
 - Consul 1.17.x.
-- Consul Dataplane v1.3.x. Refer to Envoy and Consul Dataplane for details about Consul Dataplane versions and the available packaged Envoy version.
+- Consul Dataplane v1.3.x. Refer to [Envoy and Consul Dataplane](/consul/docs/v1.17.x/connect/proxies/envoy#envoy-and-consul-dataplane) for details about Consul Dataplane versions and the available packaged Envoy version.
 - Kubernetes 1.24.x - 1.27.x
 - kubectl 1.24.x - 1.27.x
 - Helm 3.6+