Tool that generates serialised file descriptor protos (#1654) #875

Job	Run time
Build and Test on swiftlang/swift:nightly-jammy	5m 28s
Build and Test on swift:5.9-jammy	4m 26s
Build and Test on swift:5.8-focal	4m 20s
Build and Test on swift:5.7-focal	3m 53s
License Header and Formatting Checks	3m 29s
Performance Tests on swiftlang/swift:nightly-jammy	10m 51s
Integration Tests on swiftlang/swift:nightly-jammy	5m 5s
Performance Tests on swift:5.9-jammy	10m 53s
Integration Tests on swift:5.9-jammy	3m 35s
Performance Tests on swift:5.8-focal	9m 15s
Integration Tests on swift:5.8-focal	2m 47s
Performance Tests on swift:5.7-focal	9m 6s
Integration Tests on swift:5.7-focal	2m 48s
	1h 15m 56s

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