Update configuring-user-provisioning-for-your-enterprise.md to include SCIM URL

[inpreman]

Why:

Fixes the tenant URL to enable SCIM provisioning. Currently, it does not contain /scim/v2 that prevents the customers from setting up SCIM provisioning successfully.

https://github.com/github/docs-content/issues/4693

What's being changed:

Tenant URL example for SCIM provisioning.

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[mattpollard]

Thanks for catching this, @inpreman! 🙏🏻 My apologies for unceremoniously chopping off these important routes in 16ff92c 😅

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