updating codeowners (Azure#20570)

* updating codeowners

* adding yalin to codeowners for appconfig

Author: seankane-msft

.github/CODEOWNERS

@@ -26,7 +26,7 @@
 /sdk/storage/                                                        @amishra-dev @zezha-msft @annatisch @xiafu-msft @tasherif-msft @kasobol-msft
 
 # PRLabel: %App Configuration
-/sdk/appconfiguration/                                               @xiangyan99 @seankane-msft
+/sdk/appconfiguration/                                               @xiangyan99 @YalinLi0312
 
 /sdk/applicationinsights/azure-applicationinsights/                  @divyajay @geneh @alongafni
 /sdk/loganalytics/azure-loganalytics/                                @divyajay @geneh @alongafni
@@ -125,7 +125,7 @@
 /sdk/media/                                                          @naiteeks @bennage @giakas
 
 # PRLabel: %Container Registry
-/sdk/containerregistry/                                              @seankane-msft
+/sdk/containerregistry/                                              @YalinLi0312
 
 # Smoke Tests
 /common/smoketest/                                                   @lmazuel @chlowell @annatisch @rakshith91 @shurd @southpolesteve