Revert temporary addition of versioned rustc dependency (!619) · Merge requests · Rust compiler tools and packages / debcargo-conf · GitLab

Johannes Schauer Marin Rodrigues requested to merge josch/debcargo-conf:rustc-dep into master Feb 14, 2024

see https://lists.debian.org/debian-rust/2024/02/msg00012.html
this restores cross-compilation support of dependent packages
this effectively reverts 61e66fe2