Update permission as debian standard suggest

5 jobs for master
Status Job ID Name Coverage
  Test Source
failed test-source-lts #5641

failed test-source-rolling #5642

 
  Build
skipped build-rolling-amd64 #5645
skipped lintian-lts #5643
skipped lintian-rolling #5644
 
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
No job log
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