TT#22072 Update packaging

- Bump Standards-Version to 3.9.8.
- Bump debhelper compatibility version 10.
- Switch from Priority extra to optional.
- New debian/.gitignore file.

Change-Id: I895252486ed10e35bf59a6ee444611b640fcd947

debian/.gitignore

@@ -0,0 +1,7 @@
+*.debhelper
+*.log
+*.substvars
+/.debhelper/
+/debhelper-build-stamp
+/files
+/ngcp-janus-client/

debian/compat

@@ -1 +1 @@
-9
+10

debian/control

@@ -1,10 +1,10 @@
 Source: janus-client
 Section: admin
-Priority: extra
+Priority: optional
 Maintainer: Sipwise Development Team <support@sipwise.com>
+Standards-Version: 3.9.8
 Build-Depends:
- debhelper (>= 9~),
-Standards-Version: 3.9.7
+ debhelper (>= 10),
 Homepage: https://www.sipwise.com/
 
 Package: ngcp-janus-client