tests: force --all in nested update integration test on Windows

Author: gtfierro

cli/tests/cli_integration.rs

@@ -163,6 +163,7 @@ fn update_from_nested_subdir_uses_root_locations() {
     let out = Command::new(&exe)
         .current_dir(&nested)
         .arg("update")
+        .arg("--all")
         .output()
         .expect("run update");
     assert!(