Update JSON Schemas to Draft 7 (WordPress#63583)

* Run ajv-cli migrate on JSON schemas

* Migrate additionalProperties to propertyNames where reuse is needed

* Update tests to use Ajv Draft 7

* Remove ajv-draft-04

* Fix test string

* Add tests for all propertyNames changes

Unlinked contributors: DivyanshVinayak23.

Co-authored-by: ajlende <[email protected]>
Co-authored-by: scruffian <[email protected]>
Co-authored-by: t-hamano <[email protected]>

package.json

@@ -172,7 +172,6 @@
 		"@wordpress/scripts": "file:packages/scripts",
 		"@wordpress/stylelint-config": "file:packages/stylelint-config",
 		"ajv": "8.7.1",
-		"ajv-draft-04": "1.0.0",
 		"appium": "2.0.0",
 		"babel-jest": "29.7.0",
 		"babel-loader": "9.1.3",

schemas/json/block.json

@@ -1,6 +1,6 @@
 {
 	"title": "JSON schema for WordPress blocks",
-	"$schema": "http://json-schema.org/draft-04/schema#",
+	"$schema": "http://json-schema.org/draft-07/schema#",
 	"definitions": {
 		"//": {
 			"reference": "https://developer.wordpress.org/block-editor/reference-guides/block-api/block-metadata/",

schemas/json/font-collection.json

@@ -1,6 +1,6 @@
 {
 	"title": "JSON schema for WordPress Font Collections",
-	"$schema": "http://json-schema.org/draft-04/schema#",
+	"$schema": "http://json-schema.org/draft-07/schema#",
 	"type": "object",
 	"definitions": {
 		"fontFace": {