Adding scripts related to setting up haplotypecaller carrot regression tests.

[jamesemery]

[gatk-bot]

Github actions tests reported job failures from actions build 4994834968 Failures in the following jobs:

Test Type	JDK	Job ID	Logs
cloud	17.0.6+10	4994834968.10	logs

[codecov[bot]]

Codecov Report

Merging #7726 (53a1227) into master (c6eb337) will increase coverage by 67.625%. Report is 746 commits behind head on master. The diff coverage is 78.231%.

Additional details and impacted files

@@               Coverage Diff                @@
##              master     #7726        +/-   ##
================================================
+ Coverage     18.644%   86.269%   +67.625%     
- Complexity      4635     39738     +35103     
================================================
  Files           1261      2371      +1110     
  Lines          73745    187404    +113659     
  Branches       11768     20511      +8743     
================================================
+ Hits           13749    161671    +147922     
+ Misses         57944     18526     -39418     
- Partials        2052      7207      +5155     

Files	Coverage Δ
...e/hellbender/CommandLineArgumentValidatorMain.java	100.000% <100.000%> (ø)
.../main/java/org/broadinstitute/hellbender/Main.java	59.729% <ø> (+40.949%)	:arrow_up:
...stitute/hellbender/cmdline/CommandLineProgram.java	84.713% <100.000%> (+19.613%)	:arrow_up:
...ine/GATKPlugin/GATKAnnotationPluginDescriptor.java	80.000% <ø> (+42.733%)	:arrow_up:
...ine/GATKPlugin/GATKReadFilterPluginDescriptor.java	83.721% <ø> (+31.413%)	:arrow_up:
...e/argumentcollections/DbsnpArgumentCollection.java	100.000% <ø> (ø)
...rgumentcollections/IntervalArgumentCollection.java	91.379% <100.000%> (+43.463%)	:arrow_up:
...llections/MultiVariantInputArgumentCollection.java	100.000% <ø> (+100.000%)	:arrow_up:
...llections/OptionalReadInputArgumentCollection.java	100.000% <100.000%> (+61.538%)	:arrow_up:
...ions/OptionalReferenceInputArgumentCollection.java	100.000% <100.000%> (ø)
... and 172 more

... and 2191 files with indirect coverage changes