feat: update licenses to including license content when SPDX expressions are unable to be determined (#3366)

---------
Signed-off-by: HeyeOpenSource <opensource@heye-international.com>
Signed-off-by: Christopher Phillips <32073428+spiffcs@users.noreply.github.com>
Co-authored-by: Christopher Phillips <32073428+spiffcs@users.noreply.github.com>

schema/json/schema-16.0.19.json

@@ -2750,4 +2750,4 @@
       "type": "array"
     }
   }
-}
+}

schema/json/schema-latest.json

@@ -1,6 +1,6 @@
 {
   "$schema": "https://json-schema.org/draft/2020-12/schema",
-  "$id": "anchore.io/schema/syft/json/16.0.20/document",
+  "$id": "anchore.io/schema/syft/json/16.0.21/document",
   "$ref": "#/$defs/Document",
   "$defs": {
     "AlpmDbEntry": {
@@ -1288,6 +1288,9 @@
             "$ref": "#/$defs/Location"
           },
           "type": "array"
+        },
+        "contents": {
+          "type": "string"
         }
       },
       "type": "object",