Add public `debuggingName` to `WorkflowAction`, use it in default `toString()` #4340

Job	Run time
Shard Matrix Yaml	1m 43s
Build all	4m 19s
ArtifactsCheck	2m 33s
Dependency Guard	2m 3s
Conflate Stale Renderings Runtime JVM Tests	2m 1s
Render On State Change Only and Conflate Stale Runtime JVM Tests	2m 23s
Api check	2m 15s
KtLint	2m 36s
Render On State Change Only Runtime JVM Tests	2m 2s
Build Tutorials	2m 43s
Instrumentation tests (31, 1)	9m 2s
Instrumentation tests (31, 2)	12m 11s
iOS Tests	3m 12s
Instrumentation tests (31, 3)	13m 40s
JS Tests	2m 16s
Performance tests (31)	10m 28s
Alternate Runtime Instrumentation tests (31, 1, conflate)	9m 48s
Alternate Runtime Instrumentation tests (31, 1, baseline-stateChange)	8m 59s
Alternate Runtime Instrumentation tests (31, 1, conflate-stateChange)	7m 54s
Alternate Runtime Instrumentation tests (31, 2, conflate)	8m 55s
Alternate Runtime Instrumentation tests (31, 2, baseline-stateChange)	10m 29s
Alternate Runtime Instrumentation tests (31, 2, conflate-stateChange)	11m 2s
Alternate Runtime Instrumentation tests (31, 3, conflate)	12m 42s
Alternate Runtime Instrumentation tests (31, 3, baseline-stateChange)	10m 29s
Alternate Runtime Instrumentation tests (31, 3, conflate-stateChange)	11m 21s
Dokka	4m 40s
Check	5m 32s
Android Lint	4m 8s
all-green	4s
	3h 1m 30s

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