website: Fix link to the pull requests that implements support for configuring a liveness probe for an Ansible operator. (#3520)

Fix link to that points to the work that implements liveness probe handling for Ansible-based operators that was done during the 0.18 release.

Author: Tim Flannagan

website/content/en/docs/migration/v0.18.0.md

@@ -33,7 +33,7 @@ Existing operators will have a healthz endpoint without intervention, but to tak
     periodSeconds: 3
 ```
 
-_See [#2761](https://github.com/operator-framework/operator-sdk/pull/2761) for more details._
+_See [#2936](https://github.com/operator-framework/operator-sdk/pull/2936) for more details._
 
 ## Remove the file `/bin/ao-logs` for Ansible based-operators
 
@@ -93,7 +93,7 @@ update many of their client-go function calls, which
 have signature changes related to passing contexts
 and options.
 
-Users can use http://sigs.k8s.io/clientgofix to 
+Users can use http://sigs.k8s.io/clientgofix to
 rewrite method invocations to the new signatures.
 
 _See [#2918](https://github.com/operator-framework/operator-sdk/pull/2918) for more details._