Update spec format file

Current state does not allow to build formula

Change-Id: I6b0f921e90f2815ccaf6b8695e43379c932ed2e7
Related-prod: PROD-32041
diff --git a/debian/source/format b/debian/source/format
index 163aaf8..89ae9db 100644
--- a/debian/source/format
+++ b/debian/source/format
@@ -1 +1 @@
-3.0 (quilt)
+3.0 (native)