Update code owner (#11875)

.github/CODEOWNERS

@@ -7,7 +7,7 @@
 /tools/ @haroldrandom @fengzhou-msft
 /scripts/ @haroldrandom @fengzhou-msft
 /src/azure-cli-testsdk/ @bim-msft @MyronFanQiu @haroldrandom
-/src/azure-cli-core/ @jiasli @Juliehzl
+/src/azure-cli-core/ @jiasli @Juliehzl @haroldrandom @fengzhou-msft @qianwens
 /src/azure-cli/azure/cli/command_modules/acr/ @djyou
 /src/azure-cli/azure/cli/command_modules/acs/ @rjtsdl
 /src/azure-cli/azure/cli/command_modules/advisor/ @Prasanna-Padmanabhan