Harden 1.2.2 pentest follow-ups #261

Job	Run time
Miri	29m 1s
Format, lint, test, and audit	1m 43s
no_std target build (x86_64-unknown-freebsd)	27s
no_std target build (thumbv7em-none-eabihf)	16s
no_std target build (x86_64-unknown-linux-gnu)	18s
Platform tests (macos-15-intel)	51s
no_std target build (wasm32-unknown-unknown)	27s
Platform tests (macos-latest)	37s
Platform tests (macos-26)	39s
Platform tests (macos-15)	36s
no_std target build (aarch64-unknown-linux-gnu)	22s
Platform tests (ubuntu-latest)	29s
Platform tests (windows-latest)	42s
	36m 28s

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