testing/cjose: security upgrade to 0.6.2.2
Fixes https://github.com/cisco/cjose/issues/125
Switched to fork announced in https://github.com/cisco/cjose/issues/121
Edited by Celeste
Fixes https://github.com/cisco/cjose/issues/125
Switched to fork announced in https://github.com/cisco/cjose/issues/121