Add `brew deps --union`

The default behavior of `brew deps foo bar` is to return the
intersection of the deps of foo and bar. This option returns the union.

Closes #27480.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Add `brew deps --union` to man page
keepassc HEAD build.

Added the ability to install the current development version of
keepassc.
keepassc: add 1.6.2 bottle.