[hal] use conduit for hal parsing

This still isn't optimal because in our code we use lists, so this
will fetch everything (using conduit), coerce into a list and then
process.
3 jobs for 90-dev-hal-box-fix in 0 seconds (queued for 102 minutes and 17 seconds)
Status Job ID Name Coverage
  Test
failed #3169
deps

failed #3170
docs

failed #3171
test

 
Name Stage Failure
failed
test Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job trace
failed
docs Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job trace
failed
deps Test There has been a timeout failure or the job got stuck. Check your timeout limits or try again
No job trace