[CI] Update debian/changelog for next release (#388)

* Bump debian/changelog with proposed change for next release

* Update debian/changelog

Co-authored-by: m-roberts <m-roberts@users.noreply.github.com>
Co-authored-by: Mike Roberts <2947595+m-roberts@users.noreply.github.com>

Author: github-actions[bot]

debian/changelog

@@ -1,3 +1,13 @@
+py-pitop-sdk (0.19.0) buster; urgency=medium
+
+  [ Angus Whitehead ]
+  * Add keyword arg to select font to miniscreen display text methods (#391)
+
+  [ Mike Roberts ]
+  * Add dependency versions (#400)
+
+ -- pi-top <deb-maintainers@pi-top.com>  Mon, 26 Jul 2021 10:59:05 +0000
+
 py-pitop-sdk (0.18.12) buster; urgency=medium
 
   [ Jorge Capona ]