fix a misspelling bug in istio/samples/bookinfo #33277 (#33278)
fix a misspelling bug in istio/samples/bookinfo #33277 (#33278)

* fix bug

* fix a misspelling bug in istio/samples/bookinfo #33277

* fix a misspelling bug in istio/samples/bookinfo #33277
istio/istio,istio/istio,istio/istio,istio/istio,istio/istio