Merge pull request #7042 from taosdata/enhance/TD-5356

[TD-5356]<enhance>: default numOfMnodes to 1 instead of 3

src/common/src/tglobal.c

@@ -38,7 +38,7 @@ uint16_t tsDnodeDnodePort = 6035;  // udp/tcp
 uint16_t tsSyncPort = 6040;
 uint16_t tsArbitratorPort = 6042;
 int32_t  tsStatusInterval = 1;  // second
-int32_t  tsNumOfMnodes = 3;
+int32_t  tsNumOfMnodes = 1;
 int8_t   tsEnableVnodeBak = 1;
 int8_t   tsEnableTelemetryReporting = 1;
 int8_t   tsArbOnline = 0;