Auto merge of #11134 - weihanglo:ci/update-toolchain-contrib-doc, r=epage
Auto merge of #11134 - weihanglo:ci/update-toolchain-contrib-doc, r=epage

ci: update toolchain for building api doc

rust-lang/cargo,rustyhorde/cargo,rustyhorde/cargo,rust-lang/cargo,rust-lang/cargo,rustyhorde/cargo,eminence/cargo,rust-lang/cargo,eminence/cargo,eminence/cargo,rustyhorde/cargo,eminence/cargo