[core] Only one `LambdaRuntime.run()` can be called at a time (fix #507) #634

Job	Run time
Semantic Version label check	7s
musl	1m 35s
Unit tests / Construct unit test matrix	5s
Soundness / License headers check	4s
Soundness / Python lint check	9s
Soundness / Broken symlinks check	5s
Soundness / Unacceptable language check	4s
Soundness / Shell check	33s
Soundness / API breakage check	2m 53s
Soundness / Format check	56s
Soundness / Documentation check	1m 45s
Soundness / YAML lint check	4s
Integration Tests / No dependencies on Foundation	2m 10s
Swift 6 Language Mode / Swift 6 language mode	1m 25s
Integration Tests / Test archive plugin (ResourcesPackaging)	2m 31s
Integration Tests / Test archive plugin (HelloWorld)	2m 24s
Integration Tests / Test Examples/BackgroundTasks on	1m 46s
Integration Tests / Test Examples/APIGateway+LambdaAuthorizer on	2m 26s
Integration Tests / Test Examples/S3_Soto on	3m 1s
Integration Tests / Test Examples/HelloWorld on	2m 17s
Integration Tests / Test Examples/Tutorial on	2m 18s
Integration Tests / Test Examples/S3_AWSSDK on	3m 2s
Integration Tests / Test Examples/S3EventNotifier on	1m 53s
Integration Tests / Test Examples/APIGateway on	1m 52s
Integration Tests / Test Examples/Streaming on	2m 12s
Integration Tests / Test Examples/Testing on	2m 20s
Integration Tests / Test Examples/ResourcesPackaging on	2m 15s
Integration Tests / Test Examples/HelloJSON on	1m 46s
Unit tests / Unit tests / Linux (nightly-main)	1m 53s
Unit tests / Unit tests / Linux (nightly-next)	1m 57s
Unit tests / Unit tests / Linux (6.0)	1m 31s
Unit tests / Unit tests / Linux (6.1)	1m 32s
	50m 51s

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