Update grpc submodule to support GetRewardPeriodInfo. #1045

Job	Run time
Ensure consistency between wat and wasm files	28s
smart-contracts/wasm-transform lint:clippy	2m 14s
smart-contracts/wasm-transform lint:fmt	2m 16s
smart-contracts/wasm-chain-integration lint:fmt	2m 11s
smart-contracts/wasm-transform lint:fmt	1m 16s
smart-contracts/wasm-chain-integration lint:fmt	18s
wasm-transform cargo:test	2m 30s
wasm-chain-integration cargo:test	26m 34s
counter cargo:test	1m 30s
wasm-core-spec cargo:test	2m 43s
escrow lint:fmt	22s
lockup lint:fmt	20s
use-all-host-functions lint:fmt	22s
rate-limited lint:fmt	19s
counter lint:fmt	20s
context-test lint:fmt	20s
fib lint:fmt	22s
smart-contracts/escrow lint:clippy	1m 39s
smart-contracts/lockup lint:clippy	1m 26s
smart-contracts/use-all-host-functions lint:clippy	1m 36s
smart-contracts/rate-limited lint:clippy	1m 31s
smart-contracts/counter lint:clippy	1m 37s
smart-contracts/context-test lint:clippy	1m 30s
smart-contracts/fib lint:clippy	1m 37s
smart-contracts/wasm-chain-integration lint:clippy	2m 16s
smart-contracts/wasm-chain-integration lint:clippy	2m 20s
smart-contracts/wasm-chain-integration lint:clippy	2m 21s
	1h 2m 18s

Provide feedback