Updated debian changelog for version 0.0.6

debian/changelog

+swh-archiver (0.0.6-1~swh1) unstable-swh; urgency=medium
+
+  * New upstream release 0.0.6     - (tagged by Antoine R. Dumont
+    (@ardumont) <antoine.romain.dumont@gmail.com> on 2019-02-19 13:51:38
+    +0100)
+  * Upstream changes:     - v0.0.6     - update dep on swh-
+    scheduler>0.0.39 and pytest<4 (tests)     - Use the new BaseDb from
+    swh.core     - Rewrite archiver's tasks and unit tests with latest
+    scheduler's "API"     - swh.archiver.updater: Drop redundant SWH
+    prefix     - Remove debug logging from tasks' code
+
+ -- Software Heritage autobuilder (on jenkins-debian1) <jenkins@jenkins-debian1.internal.softwareheritage.org>  Tue, 19 Feb 2019 12:56:39 +0000
+
 swh-archiver (0.0.4-1~swh1) unstable-swh; urgency=medium
 
   * Release swh.archiver v0.0.4