Pac4j 5.2.1, RMB 33.2.4, vertx-pac4j 6.0.0 fixing unsecure token (CVE-2021-44878)

Pac4j v5.1 and earlier allows (by default) clients to accept and successfully validate ID Tokens with "none" algorithm. This is insecure because it disables signature validation:

• https://nvd.nist.gov/vuln/detail/CVE-2021-44878

Update Pac4j from 5.1.4 to 5.2.1.

Also update RMB 33.2.3 to 33.2.4 (this bumps log4j from 2.17.0 to 2.17.1).

And update vertx-pac4j from 6.0.0-FOLIO.1 to 6.0.0.