Add support for querying array type query data from blocks (#176)

* Feat: Able to source Query Attribute types

* Test: Add unit tests

* Chore: PHPCS fix

* Fix: Properly extract innerHTML from source attrs

* Docs: Return type fix

* Code Review Compat Fixes

* Update includes/Type/Scalar/Scalar.php

Co-authored-by: John Parris <john.parris@wpengine.com>

* Code Review: Remove unused variable

* Chore: Add Changeset

* Update includes/Blocks/Block.php

Co-authored-by: John Parris <john.parris@wpengine.com>

* Update includes/Utilities/DomHelpers.php

Co-authored-by: John Parris <john.parris@wpengine.com>

* Chore: Code Review Updates

* Chore: Code Review Updates

* Chore: Code Review updates

* Style: Clean whitespaces.

* Fix: Fixed schema lint errors

* Update .changeset/ten-dolphins-smash.md

Co-authored-by: Dovid Levine <david@axepress.dev>

---------

Co-authored-by: John Parris <john.parris@wpengine.com>
Co-authored-by: Dovid Levine <david@axepress.dev>

.changeset/ten-dolphins-smash.md

@@ -0,0 +1,7 @@
+---
+"@wpengine/wp-graphql-content-blocks": major
+---
+
+Feature: Add support for querying array type query data from blocks
+
+Query source block attribute types are supported. See: https://developer.wordpress.org/block-editor/reference-guides/block-api/block-attributes/#query-source