MAINT: Add match_newer_than_file to cfood schema

src/caoscrawler/cfood-schema.yml

@@ -88,6 +88,12 @@ cfood:
         match_value:
           description: a regexp that is matched to the value of a key-value pair
           type: string
+        match_newer_than_file:
+          description: |
+            Only relevant for Directory. A path to a file containing
+            an ISO-formatted datetime. Only match if the contents of the
+            Directory have been modified after that datetime.
+          type: string
         record_from_dict:
           description: Only relevant for PropertiesFromDictElement.  Specify the root record which is generated from the contained dictionary.
           type: object