build(deps): Upgrade grpc to 1.80.0 #428

Job	Run time
filter	1m 1s
build(8) except for gapic-generator-java	4m 32s
build (11)	5m 19s
build(8) for showcase	9m 53s
build(8) for gapic-generator-java	2m 53s
build(25) except self-service clients	5m 12s
showcase (17)	10m 4s
build(21) except self-service clients	5m 5s
unmanaged_dependency_check	13m 6s
dependency_analyzer_unit_test	1m 24s
showcase (11)	9m 29s
gapic-generator-java-bom	3m 29s
showcase (25)	9m 52s
showcase-clirr	4m 54s
showcase (21)	10m 10s
build (17)	5m 16s
	1h 41m 39s

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