Update module google.golang.org/grpc to v1.56.2

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
google.golang.org/grpc	require	patch	v1.56.0 -> v1.56.2

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Release Notes

grpc/grpc-go (google.golang.org/grpc)

v1.56.2: Release 1.56.2

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• status: To fix a panic, status.FromError now returns an error with codes.Unknown when the error implements the GRPCStatus() method, and calling GRPCStatus() returns nil. (#​6374)

v1.56.1: Release 1.56.1

Compare Source

• client: handle empty address lists correctly in addrConn.updateAddrs

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