[core] Only one `LambdaRuntime.run()` can be called at a time (fix #507) #612

Job	Run time
Semantic Version label check	7s
musl	1m 41s
Unit tests / Construct unit test matrix	8s
Soundness / Shell check	31s
Soundness / API breakage check	2m 31s
Soundness / Documentation check	1m 39s
Soundness / YAML lint check	4s
Soundness / License headers check	4s
Soundness / Unacceptable language check	4s
Soundness / Broken symlinks check	4s
Soundness / Format check	36s
Integration Tests / No dependencies on Foundation	1m 57s
Integration Tests / Test archive plugin (ResourcesPackaging)	2m 50s
Integration Tests / Test archive plugin (HelloWorld)	2m 27s
Soundness / Python lint check	8s
Integration Tests / Test Examples/BackgroundTasks on	1m 45s
Integration Tests / Test Examples/ResourcesPackaging on	1m 55s
Integration Tests / Test Examples/APIGateway on	1m 54s
Integration Tests / Test Examples/S3EventNotifier on	1m 56s
Integration Tests / Test Examples/APIGateway+LambdaAuthorizer on	2m 3s
Integration Tests / Test Examples/S3_AWSSDK on	6m 41s
Integration Tests / Test Examples/HelloWorld on	1m 48s
Integration Tests / Test Examples/S3_Soto on	7m 53s
Swift 6 Language Mode / Swift 6 language mode	1m 29s
Integration Tests / Test Examples/Streaming on	2m 33s
Integration Tests / Test Examples/Tutorial on	1m 53s
Integration Tests / Test Examples/Testing on	2m 4s
Integration Tests / Test Examples/HelloJSON on	1m 45s
Unit tests / Unit tests / Linux (6.1)	1m 31s
Unit tests / Unit tests / Linux (nightly-main)	1m 57s
Unit tests / Unit tests / Linux (6.0)	1m 32s
Unit tests / Unit tests / Linux (nightly-next)	1m 57s
	57m 27s

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