Support hyphen in identifier names

[suddendust]

Description

Update BasicPostgresSecurityValidator to support - in identifier names.

Testing

Added a UT

Checklist:

• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• Any dependent changes have been merged and published in downstream modules

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80.41%. Comparing base (4192bde) to head (be03d75).

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #246      +/-   ##
============================================
- Coverage     80.41%   80.41%   -0.01%     
  Complexity     1151     1151              
============================================
  Files           215      215              
  Lines          5495     5494       -1     
  Branches        486      486              
============================================
- Hits           4419     4418       -1     
  Misses          750      750              
  Partials        326      326              

Flag	Coverage Δ
integration	80.41% <100.00%> (-0.01%)	⬇️
unit	57.73% <100.00%> (-0.01%)	⬇️

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