Hotfix/sangshuduo/td 6280 taosdump p (#8081)

* [TD-6280]<fix>: taosdump -P determine input.

* fix mistake range.

src/kit/taosdump/taosdump.c

@@ -485,7 +485,7 @@ static error_t parse_opt(int key, char *arg, struct argp_state *state) {
             }
 
             uint64_t port = atoi(arg);
-            if (port > 655325) {
+            if (port > 65535) {
                 errorWrongValue("taosdump", "-P or --port", arg);
                 exit(EXIT_FAILURE);
             }