fix(templates): fixes go vet warning

[thmeitz]

Fix #327
Fix #329

[codecov]

Codecov Report

Merging #330 (8696326) into main (41863c9) will decrease coverage by 0.11%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #330      +/-   ##
==========================================
- Coverage   67.97%   67.86%   -0.12%     
==========================================
  Files         119      119              
  Lines        8023     8023              
==========================================
- Hits         5454     5445       -9     
- Misses       2228     2234       +6     
- Partials      341      344       +3     

Impacted Files	Coverage Δ
openapi/parser/parse_components.go	91.89% <0.00%> (-8.11%)	⬇️
jsonschema/parser.go	80.12% <0.00%> (-1.90%)	⬇️

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