feat: set ticket labels

[stdevi]

Description of the change

This PR adds a feature to set ticket labels.

Type of change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Refactor (Changed implementation, but existing functionality and APIs are not changed)

Related issues

Closes #326

Checklists

Development

• Lint rules pass locally
• The code changed/added as part of this pull request has been covered with tests
• All tests related to the changed code pass in development

Code review

• Changes have been reviewed by at least one other engineer

[codecov]

Codecov Report

Merging #327 (e7d173c) into master (d240c57) will increase coverage by 0.22%.
The diff coverage is 90.90%.

@@            Coverage Diff             @@
##           master     #327      +/-   ##
==========================================
+ Coverage   75.67%   75.89%   +0.22%     
==========================================
  Files          12       12              
  Lines         633      643      +10     
  Branches      130      135       +5     
==========================================
+ Hits          479      488       +9     
- Misses        153      154       +1     
  Partials        1        1              

Impacted Files	Coverage Δ
src/services/TicketService.ts	78.60% <88.88%> (+0.39%)	⬆️
src/api-base.ts	92.42% <100.00%> (+0.11%)	⬆️

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