Add ancestry estimation to pgs-calculation

[lukfor]

• Implements LASER Server to perform PCA
• Implements a K-nearest neighbors algorithm to estimate ancestries
• Updates pgs-calc to 1.5.3

[codecov[bot]]

Codecov Report

Merging #98 (9944ab4) into master (2889f5e) will decrease coverage by 7.40%. The diff coverage is 8.84%.

@@             Coverage Diff              @@
##             master      #98      +/-   ##
============================================
- Coverage     58.86%   51.47%   -7.40%     
- Complexity      675      678       +3     
============================================
  Files            53       59       +6     
  Lines          3924     4538     +614     
  Branches        518      570      +52     
============================================
+ Hits           2310     2336      +26     
- Misses         1441     2024     +583     
- Partials        173      178       +5     

Impacted Files	Coverage Δ
...tionserver/steps/ancestry/PopulationPredictor.java	0.00% <0.00%> (ø)
...pi/imputationserver/steps/ancestry/TraceBatch.java	0.00% <0.00%> (ø)
...ionserver/steps/ancestry/TraceInputValidation.java	0.00% <0.00%> (ø)
...i/imputationserver/steps/ancestry/TraceMapper.java	0.00% <0.00%> (ø)
...imputationserver/steps/ancestry/TracePipeline.java	0.00% <0.00%> (ø)
...epi/imputationserver/steps/ancestry/TraceStep.java	0.00% <0.00%> (ø)
...ionserver/steps/imputation/ImputationPipeline.java	0.00% <ø> (ø)
...in/java/genepi/imputationserver/util/PgsPanel.java	70.96% <0.00%> (-4.90%)	:arrow_down:
...pi/imputationserver/steps/fastqc/LiftOverTask.java	84.84% <33.33%> (-2.66%)	:arrow_down:
.../imputationserver/steps/CompressionEncryption.java	73.46% <71.79%> (-1.89%)	:arrow_down:
... and 1 more

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