Build

fix(backpressure): fix metric value of back pressure state #3968

Job	Run time
build-automq / Checkstyle (ubuntu-22.04, 17)	6m 11s
build-automq / Spotbugs (ubuntu-22.04, 17)	9m 49s
build-automq / Unit Test (ubuntu-22.04, 17)	5m 4s
build-result	8s
	21m 12s

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