Migrate ArrayJob to use TaskTemplate Config and deprecate ArrayJob proto

[pingsutw]

TL;DR

Migrate ArrayJob to use TaskTemplate Config and deprecate ArrayJob proto
flyteorg/flyte#1791

Type

• Bug Fix
• Feature
• Plugin

Are all requirements met?

• Code completed
• Smoke tested
• Unit tests added
• Code documentation added
• Any pending items have an associated Issue

Complete description

How did you fix the bug, make the feature etc. Link to any design docs etc

Tracking Issue

fixes https://github.com/flyteorg/flyte/issues/

Follow-up issue

NA

[codecov]

Codecov Report

Merging #229 (0dd93c2) into master (ac44eae) will increase coverage by 0.12%.
The diff coverage is 80.32%.

@@            Coverage Diff             @@
##           master     #229      +/-   ##
==========================================
+ Coverage   62.97%   63.09%   +0.12%     
==========================================
  Files         142      143       +1     
  Lines        8889     8894       +5     
==========================================
+ Hits         5598     5612      +14     
+ Misses       2789     2779      -10     
- Partials      502      503       +1     

Flag	Coverage Δ
unittests	62.76% <78.57%> (+0.11%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
go/tasks/plugins/array/array_tests_base.go	0.00% <0.00%> (ø)
go/tasks/plugins/array/k8s/transformer.go	77.27% <50.00%> (-0.51%)	⬇️
go/tasks/plugins/array/core/state.go	74.07% <94.28%> (+2.97%)	⬆️
go/tasks/plugins/array/awsbatch/executor.go	40.56% <100.00%> (ø)
go/tasks/plugins/array/catalog.go	46.88% <100.00%> (-1.70%)	⬇️
go/tasks/plugins/array/core/array_job.go	100.00% <100.00%> (ø)
go/tasks/plugins/array/inputs.go	83.33% <100.00%> (ø)
go/tasks/plugins/array/outputs.go	72.18% <100.00%> (ø)

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