Bump debhelper compatibility level to v9.

This fixes the packaging error during the Ubuntu 22.04 CI build for PR #77.
Globulation2 · Apr 24, 2023 · f16de59 · f16de59
1 parent fd61496
commit f16de59
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/debian/compat b/debian/compat
@@ -1 +1 @@
-6
+9