security/py-ecdsa: Update to 0.13.2

• Include more information than COMMENT in pkg-descr
• Pet portlint (NO_ARCH in USE(S) section)

Changelog:

https://github.com/warner/python-ecdsa/blob/python-ecdsa-0.13.2/NEWS

PR: 237402
Approved by: <kyuupichan gmail com> (maintainer, drop maintainership)