fix(data/.schema): no uppercase letters in aliases

Author: bhsd-harry

data/.schema.json

@@ -10,7 +10,8 @@
 					"description": "An array of aliases for the magic word",
 					"type": "array",
 					"items": {
-						"type": "string"
+						"type": "string",
+						"pattern": "^[^A-Z]+$"
 					},
 					"minItems": 1,
 					"uniqueItems": true

data/signatures.json

@@ -700,7 +700,7 @@
 		},
 		{
 			"aliases": [
-				"#FORMAL"
+				"#formal"
 			],
 			"signatures": [
 				[