Actually fail on clippy failures (#7619)

Before the change to `script/clippy`, bash ignored first `clippy`
invocation failure and CI moved on with Linux errors and warnings
emitted.


Release Notes:

- N/A

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Co-authored-by: Mikayla Maki <mikayla@zed.dev>
5175c8963aKirill Bulatov committed on 2/9/2024, 6:13:00 PM· committed by GitHubparenteee00c3
8 files changedLine totals unavailable