Added support for Xcode 16 and Swift 6 #195

Job	Run time
Check for Changes	5s
Linux Matrix (swift:5.10.1, amazonlinux2)	1m 51s
Linux Matrix (swift:5.10.1, bookworm)	1m 50s
Linux Matrix (swift:5.10.1, focal)	1m 49s
Linux Matrix (swift:5.10.1, jammy)	1m 48s
Linux Matrix (swift:5.10.1, rhel-ubi9)	1m 50s
Linux Matrix (swift:5.10.1, mantic)	1m 51s
Linux Matrix (swift:5.10.1, noble)	1m 2s
Linux Matrix (swiftlang/swift:nightly-6.0, amazonlinux2)	1m 51s
Linux Matrix (swiftlang/swift:nightly-6.0, focal)	1m 50s
Linux Matrix (swiftlang/swift:nightly-6.0, jammy)	1m 52s
Linux Matrix (swiftlang/swift:nightly-6.0, rhel-ubi9)	1m 49s
Linux Tests	0s
	19m 28s

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