Add notBefore and notAfter to SSL cert info display
This adds the X509 attributes notBefore and notAfter to sslinfo
as well as pg_stat_ssl to allow verifying and identifying the
validity period of the current client certificate.
Author: Cary Huang <cary.huang@highgo.ca>
Discussion: https://postgr.es/m/
182b8565486.
10af1a86f158715.
2387262617218380588@highgo.ca