Fedora 38: rust-pretty-git-prompt 2024-993d3a78dd

Update the git2 crate to version 0.18.2. Update the libgit2-sys crate to version 0.16.2. Version 0.16.2 of the libgit2-sys crate includes an update of the bundled copy of libgit2 to version 1.7.2 to address CVE-2024-24575 and CVE-2024-24577. Since the libgit2 bindings cause applications that use them to statically link