Update standards version to 4.4.1, no changes needed.

Fixes lintian: out-of-date-standards-version
See https://lintian.debian.org/tags/out-of-date-standards-version.html for more details.
8 jobs for master in 6 minutes and 59 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Build
passed #406510
build

00:03:17

 
  Test
passed #406515
autopkgtest

00:03:40

passed #406516
blhc

00:01:16

passed #406514
allowed to fail
lintian

00:01:36

passed #406517
piuparts

00:03:28

passed #406513
reprotest

00:02:37

passed #406512
test-build-all

00:03:00

passed #406511
test-build-any

00:02:08