fix: fix rule number in rule configuration script

Author: theseion

src/opt/modsecurity/configure-rules.conf

@@ -21,7 +21,7 @@ false|RESTRICTED_HEADERS_BASIC|900250|restricted_headers_basic|/if/
 false|RESTRICTED_HEADERS_EXTENDED|900255|restricted_headers_extended|/x-some-header/
 false|MAX_NUM_ARGS|900300|max_num_args|100
 false|ARG_NAME_LENGTH|900310|arg_name_length|200
-false|ARG_LENGTH|900230|arg_length|300
+false|ARG_LENGTH|900320|arg_length|300
 false|TOTAL_ARG_LENGTH|900330|total_arg_length|400
 false|MAX_FILE_SIZE|900340|max_file_size|500
 false|COMBINED_FILE_SIZES|900350|combined_file_sizes|600