Refactor task logs framework

[jeevb]

Describe your changes

• Consolidate TemplateLogPluginConfig and TemplateLogPlugin
• Remove logPlugin struct in favor of TemplateLogPlugin
• Add {{.generatedName}} as a template variable in the TaskExecution scheme
• Remove deprecated GetTaskLog method, and cleanup/consolidate associated tests

Check all the applicable boxes

• I updated the documentation accordingly.
• All new and existing tests passed.
• All commits are signed-off.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (7712626) 58.14% compared to head (5f7f4a1) 57.95%.
Report is 1 commits behind head on master.

❗ Current head 5f7f4a1 differs from pull request most recent head 2194786. Consider uploading reports for the commit 2194786 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4396      +/-   ##
==========================================
- Coverage   58.14%   57.95%   -0.20%     
==========================================
  Files         466      396      -70     
  Lines       40047    29233   -10814     
==========================================
- Hits        23287    16943    -6344     
+ Misses      14875    10575    -4300     
+ Partials     1885     1715     -170     

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[EngHabu]

I'm not sure it's clear to me the distinction between the two packages ATM?

[jeevb]

I'm not sure it's clear to me the distinction between the two packages ATM?

Cleared up confusion offline. These changes do not add any extra packages. They simply cleanup existing ones. However, the lines between the logs and tasklog packages are not as clear to me now. We could consider merging them in the future.