Updated M2 WDL README with Funcotator info.

[jonn-smith]

Fixes #5889

[codecov-io]

Codecov Report

Merging #5892 into master will decrease coverage by 6.72%.
The diff coverage is n/a.

@@              Coverage Diff               @@
##              master     #5892      +/-   ##
==============================================
- Coverage     86.843%   80.123%   -6.72%     
+ Complexity     32321     30670    -1651     
==============================================
  Files           1991      1991              
  Lines         149308    149308              
  Branches       16486     16486              
==============================================
- Hits          129663    119630   -10033     
- Misses         13630     23869   +10239     
+ Partials        6015      5809     -206

Impacted Files	Coverage Δ	Complexity Δ
...dorientation/CollectF1R2CountsIntegrationTest.java	0.714% <0%> (-99.286%)	1% <0%> (-14%)
...kers/filters/VariantFiltrationIntegrationTest.java	0.826% <0%> (-99.174%)	1% <0%> (-25%)
.../walkers/bqsr/BaseRecalibratorIntegrationTest.java	1.031% <0%> (-98.969%)	1% <0%> (-7%)
...s/variantutils/VariantsToTableIntegrationTest.java	1.042% <0%> (-98.958%)	1% <0%> (-21%)
...ers/vqsr/FilterVariantTranchesIntegrationTest.java	1.053% <0%> (-98.947%)	1% <0%> (-5%)
...on/FindBreakpointEvidenceSparkIntegrationTest.java	1.754% <0%> (-98.246%)	1% <0%> (-6%)
...bender/tools/spark/PileupSparkIntegrationTest.java	2.041% <0%> (-97.959%)	2% <0%> (-13%)
...tute/hellbender/tools/FlagStatIntegrationTest.java	2.083% <0%> (-97.917%)	1% <0%> (-5%)
...rs/variantutils/SelectVariantsIntegrationTest.java	0.25% <0%> (-97.75%)	1% <0%> (-70%)
...alkers/rnaseq/SplitNCigarReadsIntegrationTest.java	2.5% <0%> (-97.5%)	1% <0%> (-9%)
... and 156 more

[davidbenjamin]

👍