Fix broken build on Windows OS if the schema contains references to o… #6394

	name: Samples Dart

	on:
	push:
	branches:
	- master
	- '[5-9]+.[0-9]+.x'
	pull_request:
	branches:
	- master
	- '[5-9]+.[0-9]+.x'
	paths:
	- 'samples/openapi3/client/petstore/dart/*'

	jobs:
	tests-dart:
	name: Tests Dart
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-java@v4
	with:
	distribution: 'temurin'
	java-version: 11
	cache: maven
	- name: Cache test dependencies
	uses: actions/cache@v4
	env:
	cache-name: pub-cache
	with:
	path: $PUB_CACHE
	key: ${{ runner.os }}-${{ github.job }}-${{ env.cache-name }}-${{ hashFiles('samples/*/pubspec.') }}
	- uses: dart-lang/setup-dart@v1
	with:
	sdk: 2.15.0
	- name: Run tests
	uses: ./.github/actions/run-samples
	with:
	name: samples.dart

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