message: chore: fix demo slack url
diff: @@ -15,7 +15,7 @@ const demos = [
  value: 'https://api.apis.guru/v2/specs/googleapis.com/calendar/v3/openapi.yaml',
  label: 'Google Calendar',
  },
  - { value: 'https://api.apis.guru/v2/specs/slack.com/1.5.0/openapi.yaml', label: 'Slack' },
  + { value: 'https://api.apis.guru/v2/specs/slack.com/1.7.0/openapi.yaml', label: 'Slack' },
  { value: 'https://api.apis.guru/v2/specs/zoom.us/2.0.0/openapi.yaml', label: 'Zoom.us' },
  { value: 'https://docs.graphhopper.com/openapi.json', label: 'GraphHopper' },
  ];
  