Auto capitalize postal code #1024

[theRaven-code]

I've enforced the type to secure the postalCode input as Uppercase by…

[vercel]

@theRaven-code is attempting to deploy a commit to the Saleor Commerce Team on Vercel.

A member of the Team first needs to authorize it.

[CLAassistant]

All committers have signed the CLA.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
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