Explore `VariantRecalibrator` and `ApplyVQSR` for better filtering

[nvnieuwk]

Description of feature

https://gatk.broadinstitute.org/hc/en-us/articles/360036510892-VariantRecalibrator
https://gatk.broadinstitute.org/hc/en-us/articles/360037056912-ApplyVQSR

=> Also look at Sarek

[matthdsm]

Noooooo, tooo slooooowww
There's a reason bcbio didn't do it

[nvnieuwk]

I should have made the title a bit clear 😁