docs: fix PolicyTargetReferenceWithSectionName hyperlink (#2548)

Signed-off-by: zirain <[email protected]>

site/content/en/latest/api/extension_types.md

@@ -141,7 +141,7 @@ _Appears in:_
 
 | Field | Type | Required | Description |
 | ---   | ---  | ---      | ---         |
-| `targetRef` | _[PolicyTargetReferenceWithSectionName](#policytargetreferencewithsectionname)_ |  true  | targetRef is the name of the resource this policy is being attached to. This Policy and the TargetRef MUST be in the same namespace for this Policy to have effect and be applied to the Gateway. |
+| `targetRef` | _[PolicyTargetReferenceWithSectionName](https://gateway-api.sigs.k8s.io/reference/spec/#gateway.networking.k8s.io/v1alpha2.PolicyTargetReferenceWithSectionName)_ |  true  | targetRef is the name of the resource this policy is being attached to. This Policy and the TargetRef MUST be in the same namespace for this Policy to have effect and be applied to the Gateway. |
 | `rateLimit` | _[RateLimitSpec](#ratelimitspec)_ |  false  | RateLimit allows the user to limit the number of incoming requests to a predefined value based on attributes within the traffic flow. |
 | `loadBalancer` | _[LoadBalancer](#loadbalancer)_ |  false  | LoadBalancer policy to apply when routing traffic from the gateway to the backend endpoints |
 | `proxyProtocol` | _[ProxyProtocol](#proxyprotocol)_ |  false  | ProxyProtocol enables the Proxy Protocol when communicating with the backend. |
@@ -275,7 +275,7 @@ _Appears in:_
 
 | Field | Type | Required | Description |
 | ---   | ---  | ---      | ---         |
-| `targetRef` | _[PolicyTargetReferenceWithSectionName](#policytargetreferencewithsectionname)_ |  true  | TargetRef is the name of the Gateway resource this policy is being attached to. This Policy and the TargetRef MUST be in the same namespace for this Policy to have effect and be applied to the Gateway. TargetRef |
+| `targetRef` | _[PolicyTargetReferenceWithSectionName](https://gateway-api.sigs.k8s.io/reference/spec/#gateway.networking.k8s.io/v1alpha2.PolicyTargetReferenceWithSectionName)_ |  true  | TargetRef is the name of the Gateway resource this policy is being attached to. This Policy and the TargetRef MUST be in the same namespace for this Policy to have effect and be applied to the Gateway. TargetRef |
 | `tcpKeepalive` | _[TCPKeepalive](#tcpkeepalive)_ |  false  | TcpKeepalive settings associated with the downstream client connection. If defined, sets SO_KEEPALIVE on the listener socket to enable TCP Keepalives. Disabled by default. |
 | `suppressEnvoyHeaders` | _boolean_ |  false  | SuppressEnvoyHeaders configures the Envoy Router filter to suppress the "x-envoy-' headers from both requests and responses. By default these headers are added to both requests and responses. |
 | `enableProxyProtocol` | _boolean_ |  false  | EnableProxyProtocol interprets the ProxyProtocol header and adds the Client Address into the X-Forwarded-For header. Note Proxy Protocol must be present when this field is set, else the connection is closed. |
@@ -2083,7 +2083,7 @@ _Appears in:_
 
 | Field | Type | Required | Description |
 | ---   | ---  | ---      | ---         |
-| `targetRef` | _[PolicyTargetReferenceWithSectionName](#policytargetreferencewithsectionname)_ |  true  | TargetRef is the name of the Gateway resource this policy is being attached to. This Policy and the TargetRef MUST be in the same namespace for this Policy to have effect and be applied to the Gateway. |
+| `targetRef` | _[PolicyTargetReferenceWithSectionName](https://gateway-api.sigs.k8s.io/reference/spec/#gateway.networking.k8s.io/v1alpha2.PolicyTargetReferenceWithSectionName)_ |  true  | TargetRef is the name of the Gateway resource this policy is being attached to. This Policy and the TargetRef MUST be in the same namespace for this Policy to have effect and be applied to the Gateway. |
 | `cors` | _[CORS](#cors)_ |  false  | CORS defines the configuration for Cross-Origin Resource Sharing (CORS). |
 | `basicAuth` | _[BasicAuth](#basicauth)_ |  false  | BasicAuth defines the configuration for the HTTP Basic Authentication. |
 | `jwt` | _[JWT](#jwt)_ |  false  | JWT defines the configuration for JSON Web Token (JWT) authentication. |

tools/crd-ref-docs/config.yaml

@@ -14,3 +14,6 @@ render:
     - name: SecretObjectReference
       package: sigs.k8s.io/gateway-api/apis/v1
       link: https://gateway-api.sigs.k8s.io/references/spec/#gateway.networking.k8s.io/v1.SecretObjectReference
+    - name: PolicyTargetReferenceWithSectionName
+      package: sigs.k8s.io/gateway-api/apis/v1alpha2
+      link: https://gateway-api.sigs.k8s.io/reference/spec/#gateway.networking.k8s.io/v1alpha2.PolicyTargetReferenceWithSectionName