Auto merge of #3528 - jtgeibel:cargo-update, r=Turbo87
Auto merge of #3528 - jtgeibel:cargo-update, r=Turbo87

Run `cargo update`

Since we'll be clearing the build cache when switching to the
`heroku-20` stack, we might as well bump dependencies.

r? `@Turbo87`

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