fixed helm (#1522)

Author: capri-xiyue

config/charts/inferencepool/templates/inferencepool.yaml

@@ -20,3 +20,7 @@ spec:
       {{- end }}
   endpointPickerRef:
     name: {{ include "gateway-api-inference-extension.name" . }}
+    port:
+      number: {{ .Values.inferenceExtension.extProcPort | default 9002 }}
+
+