Implements #49 - add support for subject alternative name URIs

[subnova]

Adds a field uris to the resources:

• tls_self_signed_cert
• tls_cert_request

That allow subject alternative names of type 'uri' to be set on a certificate. This is analogous to the 'dns_names' and 'ip_addresses' fields.

Modifies the tls_locally_signed_cert resource to copy the URIs from the cert request to the generated certificate.

[apparentlymart]

Hi @subnova! Thanks for working on this, and sorry for the slow response.

This looks good to me, so I'm going to merge it now for inclusion in the next release.

[github-actions]

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