Bump version for release.

NEWS

@@ -1,4 +1,4 @@
-1.5.19.dev0
+1.5.19
  * #387: Fix error when configured source directories are not present on the filesystem at the time
    of backup. Now, Borg will complain, but the backup will still continue.
  * #455: Mention changing borgmatic path in cron documentation.

setup.py

@@ -1,6 +1,6 @@
 from setuptools import find_packages, setup
 
-VERSION = '1.5.19.dev0'
+VERSION = '1.5.19'
 
 
 setup(