Add limits to backend search methods

3 jobs for master in 1 minute and 48 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build Pkgsrc
passed #19842
build_pkgsrc:buster

00:00:31

 
  Build Pkg
passed #19843
amd64
build_pkg:buster:amd64

00:01:07

 
  Upload Pkg
passed #19844
upload_pkg

00:00:09