Update changelog for 3.7.4-1parrot1 release

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Status Name Job ID Coverage
  Test Source
failed test-source-lts #12399

failed test-source-rolling #12400

 
  Build
skipped lintian-lts #12401
skipped lintian-rolling #12402
 
Name Stage Failure
failed
test-source-rolling Test Source There has been a timeout failure or the job got stuck. Check your timeout limits or try again
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failed
test-source-lts Test Source There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job log