Add public `debuggingName` to `WorkflowAction`, use it in default `toString()` #4339

Job	Run time
Shard Matrix Yaml	2m 5s
ArtifactsCheck	2m 18s
Api check	2m 28s
Dependency Guard	1m 51s
Build all	3m 50s
Conflate Stale Renderings Runtime JVM Tests	2m 18s
Render On State Change Only Runtime JVM Tests	2m 7s
KtLint	2m 46s
Build Tutorials	2m 53s
Instrumentation tests (31, 1)	3m 39s
iOS Tests	3m 8s
Instrumentation tests (31, 2)	3m 44s
Instrumentation tests (31, 3)	3m 30s
JS Tests	2m 34s
Render On State Change Only and Conflate Stale Runtime JVM Tests	2m 7s
Performance tests (31)	3m 10s
Alternate Runtime Instrumentation tests (31, 1, conflate)	3m 8s
Alternate Runtime Instrumentation tests (31, 1, baseline-stateChange)	3m 6s
Alternate Runtime Instrumentation tests (31, 1, conflate-stateChange)	2m 47s
Alternate Runtime Instrumentation tests (31, 2, conflate)	3m 9s
Alternate Runtime Instrumentation tests (31, 2, baseline-stateChange)	3m 7s
Alternate Runtime Instrumentation tests (31, 2, conflate-stateChange)	3m 1s
Alternate Runtime Instrumentation tests (31, 3, conflate)	3m 3s
Alternate Runtime Instrumentation tests (31, 3, baseline-stateChange)	2m 53s
Alternate Runtime Instrumentation tests (31, 3, conflate-stateChange)	2m 52s
Dokka	1s
Check	1s
Android Lint	1s
all-green	2s
	1h 11m 39s

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