Release version 1.4.5 (#70)

Update version to 1.4.5 with
[cargo-release](https://github.com/crate-ci/cargo-release).
Merge this PR to build and publish a new release.

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: 9999years

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "nix-your-shell"
-version = "1.4.4"
+version = "1.4.5"
 edition = "2021"
 authors = ["Rebecca Turner <[email protected]>"]
 description = "A `nix` and `nix-shell` wrapper for shells other than `bash`"