Add deploy preprod buildspec

[jpmaHub]

Work done

• Created buildspec for deploying to preprod

Tests

Does this PR include tests for the changes introduced?

• Yes
• No, I found it difficult to test
• No, they are not required for this change

[codeclimate]

Code Climate has analyzed commit 43b97b1 and detected 0 issues on this pull request.

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[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (130b209) 54.19% compared to head (43b97b1) 54.19%.

Additional details and impacted files

@@           Coverage Diff           @@
##             test    #5976   +/-   ##
=======================================
  Coverage   54.19%   54.19%           
=======================================
  Files        1139     1139           
  Lines       37909    37909           
  Branches     5104     5104           
=======================================
  Hits        20545    20545           
  Misses      12921    12921           
  Partials     4443     4443           

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