Add hasExtendedMetadata as an optional field for Secret Scanning public-docs.yml (#58524)

Co-authored-by: Kevin Heis <heiskr@users.noreply.github.com>

Author: aaronwaggener

src/secret-scanning/data/public-docs-schema.ts

@@ -19,6 +19,7 @@ export interface SecretScanningEntry {
   isPrivateWithGhas: boolean | string
   hasPushProtection: boolean | string
   hasValidityCheck: boolean | string
+  hasExtendedMetadata?: boolean | string
   base64Supported: boolean | string
   isduplicate: boolean
 }
@@ -67,6 +68,10 @@ export default {
         description: 'whether the secret has its validation status checked',
         type: ['boolean', 'string'],
       },
+      hasExtendedMetadata: {
+        description: 'whether extended metadata is available for this secret',
+        type: ['boolean', 'string'],
+      },
       base64Supported: {
         description: 'whether scanning for base64-encoded versions of this type is supported',
         type: ['boolean', 'string'],