Release 2.12.0 (#752)

* Feature/con 436 custom heading levels (#751)

* new dropdown option for the form title

* handle usage of chosen heading level output.

* Feature/con 417 help page code removal (#750)

* remove unused help page code

* remove unused function, param/return type touchups, phpdocs, unused globals, unneeded brackets

* Fix/con 443 recaptchav3 timeouts (#749)

* begin attempting to attach Google responses on submit to better avoid timeouts

* remove debuggers, add in new dynamically attached hidden attribute to help match server side validation

* recaptcha v3 file build

* Require list in certain situations. (#745)

* inline js for connected status and two email disabled status values

* initial js for required lists. not done

* current build

* only inline js the current form, if we have a current form being shown

* new localized string for alerts

* remove checking for checked status on pageload. we can just check the checked status dynamically

* prevent loading jquery UI everywhere because of our plugin

* instead of dealing with button disabled state, we will provide an alert.

* admin file build

* code lint

* post lint run builds

* phpcs touchup

* Block adjustments (#744)

* change "label" usage

* style updates and deprecation removal

* extra touchups to fix block edit view

* build files

* fill in text domain

* rename class away from Gutenberg to just block. Add some return text for single form block to indicate selecting a form

* variable rename

* remove old pre block.json block files

* build files

* List box touchups (#743)

* remove top padding for list metabox

* pluralize our metabox heading

* condense our paragraphs total a bit

* remove unintended space

* rename column heading

* build files

* readme file and changelog

* version bump

* add stylesfront as part of build:release process

* fresh build of these files

* cast and pass arrays instead of objects. (#753)

* cast and pass arrays instead of objects.

* fix issue with ID index access after array conversion

* correct and fill in some @ since tags

* fill in new changelog items

Author: tw2113