Add NIOTS client transport #2531

Job	Run time
License Header and Formatting Checks	3m 9s
Build and Test on swiftlang/swift:nightly-jammy	2m 0s
Integration Tests on swiftlang/swift:nightly-jammy	4m 39s
Performance Tests on swiftlang/swift:nightly-jammy	3m 11s
Build and Test on swiftlang/swift:nightly-6.0-jammy	4m 19s
Integration Tests on swiftlang/swift:nightly-6.0-jammy	7m 41s
Performance Tests on swiftlang/swift:nightly-6.0-jammy	3m 39s
Build and Test on swift:5.10.1-noble	3m 58s
Integration Tests on swift:5.10.1-noble	5m 16s
Performance Tests on swift:5.10.1-noble	27s
Integration Tests on swift:5.9-jammy	4m 0s
Performance Tests on swift:5.9-jammy	29s
Build and Test on swift:5.9-jammy	3m 25s
Integration Tests on swift:5.8-focal	3m 35s
Performance Tests on swift:5.8-focal	24s
Build and Test on swift:5.8-focal	2m 58s
	53m 10s

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