Remove pretry as it doesn't catch all of the errors, add manual handling

• Remove pretry as it doesn't catch all of the errors, add manual handling

requested review from @cguindon, @malowe, @epoirier, @zacharysabourin, and @oliviergoulet

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the p-retry lib doesn't handle type errors, which is thrown sometimes when we can't fetch the data. I never saw this error locally, but it is still happening in Jenkins. I added dumb handling that just tries the async code 3 times before giving up instead

approved this merge request

merged

mentioned in commit 5c3e7882