[release-1.10] bump grpc to v1.56.3 (addressing CVE-2023-44487)#14580

Merged

knative-prow[bot] merged 2 commits intoknative:release-1.10from jsanin-vmw:js-upgrade-grpc-v1-56-3-on-kn1-10

Nov 1, 2023

+13,360-7,302

Commits on Nov 1, 2023