fix(config): Support colon as default value in config.yaml

[bakjos]

Description (what this PR does / why we need it):

This PR fixes a bug where the default variable of a config option was trimmed when a colon was found

Which issue(s) this PR fixes:

fixes #

Other special notes for reviewer:

[codecov-commenter]

Codecov Report

Merging #1332 (9dae96c) into main (4b6ab21) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #1332   +/-   ##
=======================================
  Coverage   63.05%   63.05%           
=======================================
  Files          61       61           
  Lines        2823     2823           
=======================================
  Hits         1780     1780           
  Misses        895      895           
  Partials      148      148           

Impacted Files	Coverage Δ
config/options.go	89.09% <100.00%> (ø)

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