Add driver and executor pod template params to Spark config

[andrewwdye]

TL;DR

Add driver and executor pod template params to Spark config

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

This change adds pairs of pod template and pod template name params for the driver and executor pods. This mirrors the interface we provide for container tasks generally.

TODO: once we get consensus on the api I will populate the SparkJob proto and add tests

Tracking Issue

flyteorg/flyte#4105

[codecov]

Codecov Report

Attention: 12 lines in your changes are missing coverage. Please review.

Comparison is base (660f5aa) 54.33% compared to head (56cdde0) 54.85%.
Report is 12 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1863      +/-   ##
==========================================
+ Coverage   54.33%   54.85%   +0.52%     
==========================================
  Files         288      294       +6     
  Lines       21934    22209     +275     
  Branches     3344     2171    -1173     
==========================================
+ Hits        11917    12183     +266     
- Misses       9855     9880      +25     
+ Partials      162      146      -16     

Files	Coverage Δ
...ugins/flytekit-spark/flytekitplugins/spark/task.py	86.74% <100.00%> (+0.84%)	⬆️
...ins/flytekit-spark/flytekitplugins/spark/models.py	68.22% <53.84%> (-4.62%)	⬇️

... and 36 files with indirect coverage changes

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[wild-endeavor]

does this make any sense?

[andrewwdye]

Closing until we get consensus on the proto interface for multi-role pod template overrides. See comment here.