pfSense

Convert RAM disks to tmpfs. Implements #12145

Allow to use nested URL alias in URL alias. Fixes #11863

Port Forward None and Pass associated filter rule copy. Fixes #12272

Do not allow to select PPPoE Server interfaces on the DHCPv6 Server page. Fixes #12277

Regex cleanup should also kill {}. Fixes #12257

It's not used often (and less in the GUI) and can be a source of
problems with large numbers of repetitions even outside of grouped
expressions.

Merge remote-tracking branch 'origin/fix/12279'

Use SHA512 to hash user password. Implements #10298

Original commit by Viktor Gurov

Fixes #12279

Ensure Unbound python script exists. Fixes #12274

Check to make sure a referenced python script exsits before attempting
to use it in the Unbound configuration. If the file does not exist,
Unbound will fail to start.

Fixed #12247 by adding curl_close() call