[core] Only one `LambdaRuntime.run()` can be called at a time (fix #507) #596

Job	Run time
musl	1m 49s
Semantic Version label check	6s
Unit tests / Construct unit test matrix	5s
Integration Tests / Test archive plugin (ResourcesPackaging)	3m 32s
Integration Tests / Test archive plugin (HelloWorld)	3m 1s
Integration Tests / No dependencies on Foundation	2m 0s
Soundness / Unacceptable language check	4s
Soundness / Documentation check	1m 38s
Soundness / Format check	38s
Soundness / YAML lint check	4s
Soundness / Broken symlinks check	4s
Integration Tests / Test Examples/APIGateway on	2m 2s
Integration Tests / Test Examples/BackgroundTasks on	2m 25s
Integration Tests / Test Examples/HelloWorld on	2m 13s
Integration Tests / Test Examples/APIGateway+LambdaAuthorizer on	2m 23s
Soundness / License headers check	4s
Integration Tests / Test Examples/Streaming on	1m 58s
Integration Tests / Test Examples/ResourcesPackaging on	2m 0s
Integration Tests / Test Examples/S3_Soto on	7m 36s
Integration Tests / Test Examples/S3_AWSSDK on	6m 43s
Integration Tests / Test Examples/HelloJSON on	2m 12s
Integration Tests / Test Examples/Testing on	2m 15s
Integration Tests / Test Examples/S3EventNotifier on	2m 18s
Soundness / Shell check	35s
Soundness / API breakage check	1m 38s
Soundness / Python lint check	7s
Swift 6 Language Mode / Swift 6 language mode	1m 27s
Integration Tests / Test Examples/Tutorial on	1m 57s
Unit tests / Unit tests / Linux (6.0)	1m 23s
Unit tests / Unit tests / Linux (nightly-main)	1m 47s
Unit tests / Unit tests / Linux (nightly-next)	1m 56s
Unit tests / Unit tests / Linux (6.1)	1m 20s
	59m 20s

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