fix: fixed vale rule

Signed-off-by: Tokesh <[email protected]>

.github/vale/styles/OpenSearch/NumericFormat.yml

@@ -1,10 +1,8 @@
 extends: existence
-message: "Schema of type 'number' must specify a 'format'."
-ignorecase: true
+message: "Missing 'format' after 'type: number'."
 level: warning
-scope: paragraph
-patterns:
-  - pattern: '^\s*-?\s*type:\s*number\s*(?:#.*)?$'
-    next_line:
-      - pattern: '^\s*format:'
-        negate: true
+scope: raw
+nonword: true
+ignorecase: false
+tokens:
+  - 'type:\s+number(?!\n\s+format:)'