fix dependency declaration of gix-tempfile in gix-diff

Author: Byron

Cargo.lock

@@ -30,7 +30,7 @@ gix-worktree = { version = "^0.28.0", path = "../gix-worktree", default-features
 gix-command = { version = "^0.3.0", path = "../gix-command", optional = true }
 gix-path = { version = "^0.10.1", path = "../gix-path", optional = true }
 gix-fs = { version = "^0.8.1", path = "../gix-fs", optional = true }
-gix-tempfile = { version = "11.0.0", optional = true }
+gix-tempfile = { version = "11.0.0", path = "../gix-tempfile", optional = true }
 gix-trace = { version = "^0.1.4", path = "../gix-trace", optional = true }
 
 thiserror = "1.0.32"