This fixes breakage when installing `helix` due to an incorrect usage of
`as_ref()` when interacting with `bstr` in the `gitoxide` codebase.
However, this upgrade also requires a higher rustc version, as `gitoxide`
recently updated its `windows` crate version.
1.61.0 in particular introduced new clippy lints that unexpectedly
failed CI until addressed. The lints are a bit tough to fix since
the toolchain action starts using new rust versions almost immediately
after release, so if you aren't using rustup, you may have a hard
time reproducing the lint results until your package manager updates
rust.
This brings an extra burden that we have to remember to make a
commit/PR to update rust in CI.
