Add customToastURL prop to ProductSummaryBuyButton

[victorhmp]

What is the purpose of this pull request?

Add the same new prop being added to the BuyButton component from vtex.store-components. This should enable users to customize the URL linked to the Toast rendered by BuyButton.

What problem is this solving?

Enabling users to customize the URL.

How should this be manually tested?

Add an item from the Shelf here and click on the toast link, you should be taken to https://google.com

https://minicarttoast--storecomponents.myvtex.com/

Types of changes

• Bug fix (a non-breaking change which fixes an issue)
• New feature (a non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Requires change to documentation, which has been updated accordingly.

[vtex-io-ci-cd]

Hi! I'm VTEX IO CI/CD Bot and I'll be helping you to publish your app! 🤖

Please select which version do you want to release:

• Patch

• Minor

• Major

And then you just need to merge your PR when you are ready! There is no need to create a release commit/tag.

• No thanks, I would rather do it manually 😞

[vtex-io-docs-bot]

Beep boop 🤖

I noticed you didn't make any changes at the docs/ folder

• There's nothing new to document 🤔
• I'll do it later 😞

In order to keep track, I'll create an issue if you decide now is not a good time

• I just updated 🎉🎉

[vtex-io-ci-cd]

Your PR has been merged! App is being published. 🚀
Version 2.34.5 → 2.35.0