Clarify that the Intelligence.AI JSON Schema CLI fully supports 2020-12 (#864)

Author: jviotti

data/validator-libraries-modern.yml

@@ -556,7 +556,7 @@
       last-updated: "2024-08-08"
       date-draft: [2020-12, 2019-09]
       draft: [7, 6, 4, 3, 2, 1, 0]
-      notes: Supports formatting, linting, bundling, testing, validating, and more. As an exception, the test and validate commands only support Draft 4, 6, 7, and 2019-09 for now
+      notes: Supports formatting, linting, bundling, testing, validating, and more. As an exception, validation is not supported on Draft 3 and older
       built-on:
         name: jsontoolkit
 - name: Github Actions