Add ANSI C quoting to export env parsing (#32404)

Follow up to #31799 to support ansi-c quoting. This is used by
nix/direnv

Release Notes:

- N/A
84eca53319Stanislav Alekseev committed on 6/11/2025, 2:15:35 AM· committed by GitHubparentb4e558c
1 file changedLine totals unavailable