chore: Codegen after changing var to let in generated code #3016

Job	Run time
linux (focal, 5.7)	6m 58s
apple (macos-13-xlarge, Xcode_14.1, platform=iOS Simulator,OS=16.1,name=iPhone 14)	6m 41s
linux (focal, 5.9)	6m 55s
apple (macos-13-xlarge, Xcode_14.1, platform=tvOS Simulator,OS=16.1,name=Apple TV 4K (3rd generat...	4m 57s
linux (amazonlinux2, 5.7)	6m 48s
apple (macos-13-xlarge, Xcode_14.1, platform=OS X)	4m 27s
linux (amazonlinux2, 5.9)	7m 6s
apple (macos-14-xlarge, Xcode_15.2, platform=iOS Simulator,OS=17.2,name=iPhone 15)	6m 29s
apple (macos-14-xlarge, Xcode_15.2, platform=tvOS Simulator,OS=17.2,name=Apple TV 4K (3rd generat...	4m 58s
apple (macos-14-xlarge, Xcode_15.2, platform=OS X)	4m 52s
	1h 0m 11s

Provide feedback