Upgrade dev-lang/rust and virtual/rust in main from 1.77.1 to 1.77.2 #1856

Job	Run time
Check if we need to update the SDK	1s
Build an updated SDK container / Build an updated SDK container image	48m 15s
Build the OS image / Build Flatcar packages (amd64)	1h 42m 35s
Build the OS image / Build Flatcar packages (arm64)	1h 49m 36s
Build the OS image / Run kola tests / Run Kola tests (amd64)	25m 52s
Build the OS image / Run kola tests / Run Kola tests (arm64)	1h 18m 4s
Build the OS image / Run kola tests / Merge TAP reports and post results	34s
	6h 4m 57s

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