Rust

Fix typo in functions documentation: "pbulic" -> "public" #83121

Job	Run time
diff	10s
license-check	1m 2s
check-protos	12s
test (ubuntu-ghcloud)	26m 13s
test-extra (ubuntu-ghcloud)	24m 43s
windows-build (windows-ghcloud)	9m 36s
simtest	16m 17s
clippy	3m 29s
move-test	0s
test	0s
cargo-deny (bans, licenses, sources)	34s
cargo-deny (advisories)	33s
rustfmt	27s
cutting a new execution layer	1m 26s
test-extra	0s
	1h 24m 42s

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