security/py-social-auth-core: Allow build with py-google-auth 2.52.0+
- Bump PORTREVISION for package change
Obtained from: https://github.com/python-social-auth/social-core/commit/6496d8dd88ab99017dbe64f65b0058fd21e1bc90
https://github.com/python-social-auth/social-core/commit/9725f8f306beedc31062bfde359239740713f271
Approved by: portmgr (blanket)