fix: avoid as_ref() call as bstr could break downstream with new …

…impls (#1466)

As `bstr` adds a new implementation of `AsRef`, the `as_ref()` call becomes
ambiguous which will then break `gitoxide`.

Now `as_ref()` is avoided in favor of a method that can't fail.

gitoxide-core/src/repository/status.rs

@@ -1,5 +1,5 @@
 use anyhow::bail;
-use gix::bstr::{BStr, BString};
+use gix::bstr::{BStr, BString, ByteSlice};
 use gix::status::index_worktree::iter::Item;
 use gix_status::index_as_worktree::{Change, Conflict, EntryStatus};
 use std::path::Path;
@@ -152,7 +152,7 @@ pub fn show(
  source_rela_path =
  gix::path::relativize_with_prefix(&gix::path::from_bstr(source.rela_path()), prefix).display(),
  dest_rela_path = gix::path::relativize_with_prefix(
- &gix::path::from_bstr(dirwalk_entry.rela_path.as_ref()),
+ &gix::path::from_bstr(dirwalk_entry.rela_path.as_bstr()),
  prefix
  )
  .display(),

gix-credentials/src/program/mod.rs

@@ -80,7 +80,7 @@ impl Program {
  args.insert_str(0, "credential-");
  args.insert_str(0, " ");
  args.insert_str(0, git_program.to_string_lossy().as_ref());
- gix_command::prepare(gix_path::from_bstr(args.as_ref()).into_owned())
+ gix_command::prepare(gix_path::from_bstr(args.as_bstr()).into_owned())
  .arg(action.as_arg(true))
  .with_shell_allow_argument_splitting()
  .into()