Log Message:
www/ruby-loofah: update to 2.12.0

2.12.0 (2021-08-11)

Features

* Support empty HTML5 data attributes. [#215]

2.11.0 (2021-07-31)

Features

* Allow HTML5 element wbr.
* Allow all CSS property values for border-collapse. [#201]

Changes

* Deprecating Loofah::HTML5::SafeList::VOID_ELEMENTS which is not a
  canonical list of void HTML4 or HTML5 elements.
* Removed some elements from Loofah::HTML5::SafeList::VOID_ELEMENTS that
  either are not acceptable elements or aren't considered "void" by \ 
libxml2.