fix: handle nordic characters

[orhels]

Status

READY

Description

Fix #1156

Steps to Test or Reproduce

Outline the steps to test or reproduce the PR here.

> git pull --prune
> git checkout fix-handle-nordic-characters
> yarn build
> yarn test

1. Use below schema to generate:

openapi: '3.0.0'
info:
  version: 1.0.0
  title: Swagger ÆrligØnskeÅpen
  license:
    name: MIT
paths:
  /ærligØnskeÅpen:
    get:
      summary: List all ærlig-ønske-åpen
      operationId: listÆrligØnskeÅpen
      responses:
        '200':
          description: A paged array of ærlig-ønske-åpen
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ÆrligØnskeåpen'
components:
  schemas:
    ÆrligØnskeåpen:
      type: object
      required:
        - ærlig
        - ønske
        - åpen
      properties:
        ærlig:
          type: string
        ønske:
          type: string
        åpen:
          type: string

2. Check that the output respects nordic characters.

[orhels]

Let me know if there are any issues or if more info is needed.

[melloware]

This looks great running the tests now....