Missing support for DHGROUP 31 and 32 (P1 and P2)

[DjaFyh]

Describe the bug
PFSense 2.7 supports for IPSEC P1 and P2, DH GROUPS 31, 32.
PFSensible stops at DH 30

Expected behavior
DH 31 and 32 should be usable

Playbook
Please paste a minimal playbook to reproduce the issue:

vpn:
          p1:
            ...
            encryptionDh: 31
            ...
          p2:
            - ...
              encryptionDh: 31

Output
Please paste the ansible output run with -vv:

...
"msg": "value of dhgroup must be one of: 1, 2, 5, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 28, 29, 30, got: 31",
...

Environment

• What version of pfsensible.core? 0.6.2
• What version of ansible? 2.17.8
• What version of pfSense? 2.7.2

Additional context