FIX:TS-2258-mac cpuinfo has an extra enter character (#18916)

* FIX:TS-2258-mac cpuinfo has an extra enter character

* fix:TS-2258_static_check
Co-authored-by: Nfacetosea <25808407@qq.com>

source/os/src/osSysinfo.c

@@ -354,6 +354,10 @@ int32_t taosGetCpuInfo(char *cpuModel, int32_t maxLen, float *numOfCores) {
     code = 0;
     done |= 1;
   }
+  int endPos = strlen(cpuModel)-1;
+  if (cpuModel[endPos] == '\n') {
+    cpuModel[endPos] = '\0';
+  }
   taosCloseCmd(&pCmd);
 
   pCmd = taosOpenCmd("sysctl -n machdep.cpu.core_count");