Update PA directory names

[sruti1312]

Signed-off-by: sruti1312 srutiparthiban@gmail.com

Description

Update PA directory names from pa_config to config and pa_bin to bin

Issues Resolved

opensearch-project/performance-analyzer#156

Check List

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[codecov-commenter]

Codecov Report

Merging #1982 (2fc1e86) into main (e9da2ed) will increase coverage by 5.58%.
The diff coverage is n/a.

@@              Coverage Diff              @@
##               main     #1982      +/-   ##
=============================================
+ Coverage     94.41%   100.00%   +5.58%     
=============================================
  Files           187         6     -181     
  Lines          3742       105    -3637     
  Branches         29        19      -10     
=============================================
- Hits           3533       105    -3428     
+ Misses          203         0     -203     
+ Partials          6         0       -6     

Impacted Files	Coverage Δ
.../jenkins/jobs/CreateTestResultsMessage_Jenkinsfile
src/system/execute.py
src/test_workflow/integ_test/local_test_cluster.py
...st_workflow/bwc_test/bwc_test_runner_opensearch.py
src/ci_workflow/ci_check_package.py
src/ci_workflow/ci_check_lists.py
tests/jenkins/jobs/Messages_Jenkinsfile
src/paths/build_output_dir.py
src/git/git_repository.py
src/assemble_workflow/bundles.py
... and 171 more

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[peterzhuamazon]

Seems like PA already made the change on their repo.
opensearch-project/performance-analyzer@3753639

opensearch-project/performance-analyzer-rca#166