fix broken link in 1.40.0 docs (#6965)

Signed-off-by: Adam D. Cornett <[email protected]>

Author: acornett21

website/content/en/docs/upgrading-sdk-version/v1.40.0.md

@@ -248,7 +248,7 @@ With: the code from Kubebuilder samples [testdata/project-v4/config/default/kust
 **NOTE:** You can see the complete file in the repository for the tag release `v1.40.0`: [testdata/go/v4/memcached-operator/config/default/kustomization.yaml](https://github.com/operator-framework/operator-sdk/tree/v1.40.0/testdata/go/v4/memcached-operator/config/default/kustomization.yaml)
 
 4. Add the new file to allow patch the certs for the metrics: [testdata/go/v4/memcached-operator/config/default/cert_metrics_manager_patch.yaml](https://github.com/operator-framework/operator-sdk/tree/v1.40.0/testdata/go/v4/memcached-operator/config/default/cert_metrics_manager_patch.yaml)
-5. Replace the content of `config/default/manager_webhook_patch.yaml` with:  [testdata/go/v4/memcached-operator/config/default/config/default/manager_webhook_patch.yaml](https://github.com/operator-framework/operator-sdk/tree/v1.40.0/testdata/go/v4/memcached-operator/config/default/config/default/manager_webhook_patch.yaml)
+5. Replace the content of `config/default/manager_webhook_patch.yaml` with:  [testdata/go/v4/memcached-operator/config/default/manager_webhook_patch.yaml](https://github.com/operator-framework/operator-sdk/tree/v1.40.0/testdata/go/v4/memcached-operator/config/default/manager_webhook_patch.yaml)
 6. Update the `config/manager/manager.yaml` to include the ports and volumes to allow the patch to work properly:
 
 ```