chore: fix rust toolchain update not working #8411

Job	Run time
Doc	45s
Conformance	2m 32s
Check and Build (windows-latest)	2m 19s
Cargo Deny	3s
Check and Build (ubuntu-latest)	1m 20s
Check and Build (macos-14)	1m 3s
Format	14s
Clippy	49s
Test (windows-latest)	2m 17s
Test (ubuntu-latest)	1m 8s
Spell Check	6s
Check Unused Dependencies	3s
Test (macos-14)	59s
Check Wasm	1m 27s
	15m 5s

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