feature: add locale props for stripe initialization

[k4lu-0p]

This PR adds possibility to pass a props called locale which allow to define the language showed inside stripe elements.

[bennypowers]

Looks nice, thanks for the contribution. Can you add some tests and docs? Then we'll get this merged

[k4lu-0p]

@bennypowers it seems to be an error with dependencies (@custom-elements-manifest/analyzer) install inside your pipeline ?

[bennypowers]

:tada: This PR is included in version 3.2.0 :tada:

The release is available on:

• GitHub release
• npm package (@latest dist-tag)

Your semantic-release bot :package::rocket:

[bennypowers]

Thank you for the contribution!