Update squareup.moshi to v1.15.1 #4207

Job	Run time
Shard Matrix Yaml	2m 11s
Build all	5m 58s
Api check	3m 57s
ArtifactsCheck	5m 2s
Dependency Guard	3m 16s
Conflate Stale Renderings Runtime JVM Tests	3m 29s
Render On State Change Only Runtime JVM Tests	3m 48s
KtLint	4m 17s
Build Tutorials	4m 16s
Instrumentation tests (31, 1)	9m 35s
JS Tests	3m 48s
iOS Tests	6m 55s
Instrumentation tests (31, 2)	8m 58s
Instrumentation tests (31, 3)	14m 59s
Render On State Change Only and Conflate Stale Runtime JVM Tests	3m 29s
Alternate Runtime Instrumentation tests (31, 1, conflate)	9m 32s
Performance tests (31)	9m 25s
Alternate Runtime Instrumentation tests (31, 1, baseline-stateChange)	9m 22s
Alternate Runtime Instrumentation tests (31, 1, conflate-stateChange)	9m 26s
Alternate Runtime Instrumentation tests (31, 2, conflate)	10m 15s
Alternate Runtime Instrumentation tests (31, 2, baseline-stateChange)	9m 59s
Alternate Runtime Instrumentation tests (31, 2, conflate-stateChange)	10m 5s
Alternate Runtime Instrumentation tests (31, 3, conflate)	14m 20s
Alternate Runtime Instrumentation tests (31, 3, baseline-stateChange)	15m 2s
Alternate Runtime Instrumentation tests (31, 3, conflate-stateChange)	15m 7s
Dokka	4m 31s
Check	5m 5s
Android Lint	3m 53s
all-green	2s
	3h 30m 2s

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