Add connection reset error message

[kmcginnes]

Description

Adds a new display error for ECONNRESET code.

Validation

I saw this error when trying to connect to a Neptune server that must be down. Other Neptune servers were working fine.

Related Issues

Related to issue #275

Check List

• I confirm that my contribution is made under the terms of the Apache 2.0 license.
• I have run pnpm run checks to ensure code compiles and meets standards.
• I have run pnpm run test to check if all tests are passing.
• I've covered new added functionality with unit tests if necessary.

[vkagamlyk]

LGTM

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 12.17%. Comparing base (2744e93) to head (40fc1de).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #288      +/-   ##
==========================================
+ Coverage   12.15%   12.17%   +0.01%     
==========================================
  Files         411      411              
  Lines       30575    30581       +6     
  Branches      776      777       +1     
==========================================
+ Hits         3717     3723       +6     
  Misses      26525    26525              
  Partials      333      333              

Flag	Coverage Δ
unittests	12.17% <100.00%> (+0.01%)	⬆️

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[michaelnchin]

Thanks @kmcginnes !