Update changelog for 0.5.3-1 release

8 jobs for debian/0.5.3-1 in 8 minutes and 52 seconds (queued for 2 seconds)
latest
Status Job ID Name Coverage
  Build
passed #285852
build

00:03:35

 
  Test
passed #285857
autopkgtest

00:03:15

passed #285858
blhc

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passed #285856
lintian

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passed #285859
piuparts

00:05:14

passed #285855
reprotest

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passed #285854
test-build-all

00:02:29

passed #285853
test-build-any

00:03:43