Merge ~cjwatson/launchpad-buildd:release-209 into launchpad-buildd:master

[Colin Watson]

Release version 209

This fixes all the blockers I know about to running scalingstack builders on focal.

[Colin Watson (cjwatson)]

All changes were individually reviewed, so I'll rubber-stamp this.

review: Approve

diff --git a/debian/changelog b/debian/changelog
index ccbc481..823ea6d 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,4 @@
-launchpad-buildd (209) UNRELEASED; urgency=medium
+launchpad-buildd (209) bionic; urgency=medium
 
   * Upgrade charm to bionic and Python 3.
   * Remove Python 2 support.
@@ -9,7 +9,7 @@ launchpad-buildd (209) UNRELEASED; urgency=medium
   * Depend on dnsmasq-base.  The LXD backend needs this, but it's no longer
     in cloud images as of focal.
 
- -- Colin Watson <[e-mail]>  Thu, 10 Feb 2022 09:27:28 +0000
+ -- Colin Watson <[e-mail]>  Mon, 21 Feb 2022 17:11:33 +0000
 
 launchpad-buildd (208) bionic; urgency=medium