Fix testing of jpackage's Debian packaging on RPM-based Linux distros. --------- - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai).
------------- Commit messages: - Fix the issue of not being able to run Debian packaging on RPM-based hosts. Changes: https://git.openjdk.org/jdk/pull/32589/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=32589&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8391423 Stats: 10 lines in 1 file changed: 4 ins; 0 del; 6 mod Patch: https://git.openjdk.org/jdk/pull/32589.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/32589/head:pull/32589 PR: https://git.openjdk.org/jdk/pull/32589
