fix: Provide -compileSuffix to dafny when available #837

Job	Run time
verification (TestModels/dafny-dependencies/StandardLibrary, ubuntu-latest)	1m 28s
verification (TestModels/Aggregate, ubuntu-latest)	1m 39s
verification (TestModels/AggregateReferences, ubuntu-latest)	1m 55s
verification (TestModels/Constraints, ubuntu-latest)	1m 39s
verification (TestModels/Constructor, ubuntu-latest)	1m 48s
verification (TestModels/Dependencies, ubuntu-latest)	2m 4s
verification (TestModels/Errors, ubuntu-latest)	1m 26s
verification (TestModels/Extendable, ubuntu-latest)	1m 58s
verification (TestModels/Extern, ubuntu-latest)	1m 39s
verification (TestModels/LocalService, ubuntu-latest)	1m 29s
verification (TestModels/Refinement, ubuntu-latest)	1m 29s
verification (TestModels/Resource, ubuntu-latest)	1m 27s
verification (TestModels/SimpleTypes/SimpleBlob, ubuntu-latest)	1m 41s
verification (TestModels/SimpleTypes/SimpleBoolean, ubuntu-latest)	1m 30s
verification (TestModels/SimpleTypes/SimpleDouble, ubuntu-latest)	1m 44s
verification (TestModels/SimpleTypes/SimpleEnum, ubuntu-latest)	1m 37s
verification (TestModels/SimpleTypes/SimpleInteger, ubuntu-latest)	1m 28s
verification (TestModels/SimpleTypes/SimpleLong, ubuntu-latest)	1m 27s
verification (TestModels/SimpleTypes/SimpleString, ubuntu-latest)	2m 21s
verification (TestModels/Union, ubuntu-latest)	1m 58s
verification (TestModels/aws-sdks/ddb, ubuntu-latest)	1m 46s
verification (TestModels/aws-sdks/kms, ubuntu-latest)	1m 31s
verification (TestModels/aws-sdks/sqs-via-cli, ubuntu-latest)	1m 24s
	38m 28s

Provide feedback