Follow up `SchedulableExecutor` -> `SchedulingExecutor` rename #1719

Job	Run time
build-examples	2m 50s
Build for native target (macos-15, Xcode_16.4)	33s
format	31s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	1m 24s
check-bridgejs-generated	5m 53s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.0.2-release/ubuntu2204/swift-6.0...	1m 33s
Build and Test (ubuntu-22.04, https://download.swift.org/swift-6.1-release/ubuntu2204/swift-6.1-R...	1m 38s
Build and Test (ubuntu-22.04, https://download.swift.org/development/ubuntu2204/swift-DEVELOPMENT...	1m 38s
deploy-examples	0s
	16m 0s

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