Retry tasks with exit code 247 for added memory

[BrunoGrandePhD]

Description

I've noticed that Picard MarkDuplicates can fail with the exit code 247 because of insufficient memory. I can confirm that increasing the memory allocation from the default of 7 GB to 16 GB resolved the issue. Indeed, the peakVmem after this adjustment was 13.6 GB. I figured that it would be nice if the workflow auto-retried the task with double and then triple the default memory allocation (in this case, doubling would have sufficed).

process {
  withName:MarkDuplicates {
    memory = '16.GB'
  }
}

[github-actions]

Hi @BrunoGrandePhD,

It looks like this pull-request is has been made against the BrunoGrandePhD/sarek master branch.
The master branch on nf-core repositories should always contain code from the latest release.
Because of this, PRs to master are only allowed if they come from the BrunoGrandePhD/sarek dev branch.

You do not need to close this PR, you can change the target branch to dev by clicking the "Edit" button at the top of this page.

Thanks again for your contribution!