Bump werkzeug from 0.15.5 to 2.2.3 in /istio/samples/bookinfo/src/productpage#4

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dependabot/pip/istio/samples/bookinfo/src/productpage/werkzeug-2.2.3feixiao/service:dependabot/pip/istio/samples/bookinfo/src/productpage/werkzeug-2.2.3Copy head branch name to clipboard