deps: update dependency org.checkerframework:checker-qual to v3.48.3 #9324

Job	Run time
build (11)	15m 4s
build (17)	15m 6s
build(21) except self-service clients	13m 51s
build(8) except for gapic-generator-java	4m 32s
build(8) for gapic-generator-java	11m 45s
compatibility	1m 45s
lint	30s
showcase (11)	4m 17s
showcase (17)	4m 27s
showcase (21)	4m 7s
showcase-clirr	3m 7s
dependency_analyzer_unit_test	12s
gapic-generator-java-bom	1m 48s
showcase-native	8m 33s
unmanaged_dependency_check	7m 14s
	1h 36m 18s

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