BILLING_FAIL_PARENT_LOCATION_HREF 관련 에러

customHeaders:
  - pattern: /**
    headers:
      - key: Content-Security-Policy
        value: "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'
          https://*.tosspayments.com https://js.tosspayments.com; style-src
          'self' 'unsafe-inline' https://*.tosspayments.com; img-src 'self'
          data: https:; font-src 'self' data: https:; connect-src 'self'
          https://*.tosspayments.com; frame-src 'self'
          https://*.tosspayments.com"
  - pattern: /purchase/**
    headers:
      - key: Cache-Control
        value: no-store, no-cache, must-revalidate
  - pattern: /api/payment/**
    headers:
      - key: Cache-Control
        value: no-store, no-cache, must-revalidate