fix the Rust toolchain in the CI
this is to avoid having to change the toolchain in the CI everytime.
rust-toolchain.toml and .gitlab-ci.yml will have to be updated in pairs when bumping / changing the Rust toolchain.
Edited by STEVAN Antoine
this is to avoid having to change the toolchain in the CI everytime.
rust-toolchain.toml and .gitlab-ci.yml will have to be updated in pairs when bumping / changing the Rust toolchain.