[Docs] Fix fuzziness example in match-query.asciidoc (#55715)

The example looks the same as in the previous section although it should use the
"fuzziness" parameter. This seems to be okay on 6.8 and master and was probably
only forgotten to port to 7.x branches.

docs/reference/query-dsl/match-query.asciidoc

@@ -222,8 +222,8 @@ GET /_search
     "query": {
         "match" : {
             "message" : {
-                "query" : "this is a test",
-                "operator" : "and"
+                "query" : "this is a testt",
+                "fuzziness": "AUTO"
             }
         }
     }