doc: update brew-desc install method

Closes #34785.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
OpenConnect 7.01

Closes #34673.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
openconnect: update 7.01 bottle.
Document Formula attributes.

The beginnings of some decent API documentation.

Also, tweak `.yardopts` to better fix our internal style.
formula.rb: add install method.

Mostly for links in API documentation.
formula.rb: make some methods private.

Don't seem to be used publicly anywhere.

Closes #34729.
Merge remote-tracking branch 'upstream/master'