Document support for v1 moving forwards #2666

Job	Run time
License Header and Formatting Checks	2m 5s
Build and Test on swiftlang/swift:nightly-jammy	23m 29s
Build and Test on swift:6.0-jammy	22m 36s
Build and Test on swift:5.10.1-noble	22m 51s
Integration Tests on swiftlang/swift:nightly-jammy	5m 57s
Build and Test on swift:5.9-jammy	22m 23s
Performance Tests on swiftlang/swift:nightly-jammy	40s
Integration Tests on swift:6.0-jammy	4m 30s
Performance Tests on swift:6.0-jammy	41s
Integration Tests on swift:5.10.1-noble	5m 12s
Performance Tests on swift:5.10.1-noble	32s
Integration Tests on swift:5.9-jammy	4m 18s
Performance Tests on swift:5.9-jammy	31s
	1h 55m 45s

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