Auto merge of #4151 - Turbo87:renovate-node, r=Turbo87
Auto merge of #4151 - Turbo87:renovate-node, r=Turbo87

renovate: Adjust `node` package grouping

#4148 introduced a new way for renovatebot to update our Node.js version, but it wasn't perfectly compatible with the others yet. This PR fixes the issue, and unifies how renovatebot updates the Node.js versions in all of the relevant files.

rust-lang/crates.io,rust-lang/crates.io,rust-lang/crates.io,rust-lang/crates.io