Fix supportedDialects for v8r

Author: chris48s

data/tooling-data.yaml

@@ -2410,7 +2410,7 @@
   license: 'MIT'
   source: 'https://github.com/chris48s/v8r'
   supportedDialects:
-    draft: ['4', '6', '7']
+    draft: ['4', '6', '7', '2019-09', '2020-12']
   lastUpdated: '2024-09-03'
 
 - name: justinrainbow/json-schema