Update changelog for 1.21.6+dfsg-2 release

2 jobs for master in 3 minutes and 45 seconds (queued for 3 minutes and 43 seconds)
latest
Status Job ID Name Coverage
  Test
failed #293063
test_the_archive

00:03:45

failed #291700
test_the_archive

00:03:57

 
Name Stage Failure
failed
test_the_archive Test
|+++ b/aws/csm/metric_chan.go
--------------------------
No file to patch. Skipping patch.
1 out of 1 hunk ignored
dpkg-source: info: the patch has fuzz which is not allowed, or is malformed
dpkg-source: info: if patch '0003-fix-int64-alignment-on-32-bit-platforms.patch' is correctly applied by quilt, use 'quilt refresh' to update it
dpkg-buildpackage: error: dpkg-source --before-build . subprocess returned exit status 2
gbp:error: 'dpkg-buildpackage -S -d --no-sign' failed: it exited with 2
ERROR: Job failed: exit code 1