upgrading dockefile to go 1.19

[hamersaw]

TL;DR

Upgrading dockerfile to use go 1.19 for uniformity in local builds.

Type

• Bug Fix
• Feature
• Plugin

Are all requirements met?

• Code completed
• Smoke tested
• Unit tests added
• Code documentation added
• Any pending items have an associated Issue

Complete description

^^^

Tracking Issue

NA

Follow-up issue

NA

[codecov]

Codecov Report

Merging #60 (167028f) into master (a913fde) will increase coverage by 0.91%.
The diff coverage is n/a.

❗ Current head 167028f differs from pull request most recent head a9d535d. Consider uploading reports for the commit a9d535d to get more accurate results

@@            Coverage Diff             @@
##           master      #60      +/-   ##
==========================================
+ Coverage   16.87%   17.79%   +0.91%     
==========================================
  Files           3        3              
  Lines         474      399      -75     
==========================================
- Hits           80       71       -9     
+ Misses        381      315      -66     
  Partials       13       13              

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see 3 files with indirect coverage changes