Bump google.golang.org/grpc from 1.69.2 to 1.69.4 #534

Job	Run time
build-images	1m 15s
cache-deps (linux)	19s
lint (linux)	1m 19s
build (linux)	36s
unit-test (ubuntu-22.04)	38s
unit-test (macos-latest)	46s
Build matrix	5s
integration-tests (change-entry-test.sh)	3m 53s
integration-tests (restore-entry-test.sh)	3m 47s
integration-tests (run-go-test.sh)	1m 59s
integration-tests (run-mysql-test.sh)	2m 5s
integration-tests (run-postgres-test.sh)	1m 54s
	18m 36s

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