fix: Return 404 response for Keeper GET key API with Postgres

[lindseysimple]

Relates to #4877. Return 404 response for Keeper GET key API with Postgres. Copy res/db dir in Keeper Docker file.

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[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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[cloudxxx8]

LGTM

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 36.91%. Comparing base (06bbb4e) to head (52b499c).

Files with missing lines	Patch %	Lines
internal/pkg/infrastructure/postgres/kv.go	0.00%	2 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4918      +/-   ##
==========================================
- Coverage   36.92%   36.91%   -0.01%     
==========================================
  Files         125      125              
  Lines       12276    12278       +2     
==========================================
  Hits         4533     4533              
- Misses       7349     7351       +2     
  Partials      394      394              

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