Update shopify_api requirement from >= 7.0.1, < 8.1.0 to >= 7.0.1, < 8.2.0
Update shopify_api requirement from >= 7.0.1, < 8.1.0 to >= 7.0.1, < 8.2.0

Updates the requirements on [shopify_api](https://github.com/shopify/shopify_api) to permit the latest version.
- [Release notes](https://github.com/shopify/shopify_api/releases)
- [Changelog](https://github.com/Shopify/shopify_api/blob/master/CHANGELOG.md)
- [Commits](https://github.com/shopify/shopify_api/compare/v7.0.1...v8.1.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
kevinhughes27/shopify-sinatra-app,kevinhughes27/shopify-sinatra-app,kevinhughes27/shopify-sinatra-app