debian: set compat level to 10

Related: OS#5958
Change-Id: I393d7e1211e6f9ace420a874a0582208c939bbc2
diff --git a/debian/compat b/debian/compat
index ec63514..f599e28 100644
--- a/debian/compat
+++ b/debian/compat
@@ -1 +1 @@
-9
+10