Upgrade the QuoteRequestWidget module

Upgrading from version 1.x.x to version 2.x.x

The only major change of the QuoteRequestWidget 2.x.x is the dependency update for the spryker/quote-request:^2.0.0.

Estimated migration time: ~1h

To migrate do the following:

1. Update spryker/quote-request to version ^2.0.0 by following the steps from Upgrade the QuoteRequest module.
2. Update spryker-shop/quote-request-widget:^2.0.0

composer require spryker-shop/quote-request-widget: "^2.0.0" --update-with-dependencies