add codeowner for spring (Azure#19570)

Author: saragluna

.github/CODEOWNERS

@@ -12,15 +12,15 @@
 # PRLabel: %Azure.Core
 /sdk/boms/azure-sdk-bom/                            @alzimmermsft @jonathangiles @srnagar @hemanttanwar @anuchandy
 # PRLabel: %azure-spring
-/sdk/boms/azure-spring-boot-bom/                    @saragluna @yiliuTo @chenrujun @backwind1233 @jialindai
+/sdk/boms/azure-spring-boot-bom/                    @saragluna @yiliuTo @chenrujun @backwind1233 @jialindai @stliu
 
 ####
 # Service teams
 ####
 # PRLabel: %App Configuration
 /sdk/appconfiguration/                              @mssfang @alzimmermsft
 # PRLabel: %azure-spring
-/sdk/appconfiguration/azure-spring-cloud-*/         @mrm9084 @saragluna @yiliuTo @chenrujun @backwind1233 @jialindai @zhenlan
+/sdk/appconfiguration/azure-spring-cloud-*/         @mrm9084 @saragluna @yiliuTo @chenrujun @backwind1233 @jialindai @zhenlan @stliu
 
 # PRLabel: %Batch
 /sdk/batch/                                         @xingwu1 @bgklein @matthchr
@@ -37,9 +37,9 @@
 # PRLabel: %Cosmos
 /sdk/cosmos/                                        @moderakh @kushagraThapar @FabianMeiswinkel @kirankumarkolli @mbhaskar @simplynaveen20 @xinlian12 @milismsft @aayush3011
 # PRLabel: %azure-spring
-/sdk/cosmos/azure-spring-data-cosmos/               @kushagraThapar @saragluna @yiliuTo @chenrujun @backwind1233 @jialindai @mbhaskar
+/sdk/cosmos/azure-spring-data-cosmos/               @kushagraThapar @saragluna @yiliuTo @chenrujun @backwind1233 @jialindai @mbhaskar @stliu
 # PRLabel: %azure-spring
-/sdk/cosmos/azure-spring-data-cosmos-test/          @kushagraThapar @saragluna @yiliuTo @chenrujun @backwind1233 @jialindai @mbhaskar
+/sdk/cosmos/azure-spring-data-cosmos-test/          @kushagraThapar @saragluna @yiliuTo @chenrujun @backwind1233 @jialindai @mbhaskar @stliu
 
 # PRLabel: %Digital Twins
 /sdk/digitaltwins/                                  @drwill-ms @timtay-microsoft @abhipsaMisra @vinagesh @azabbasi @bikamani @barustum
@@ -62,7 +62,7 @@
 # PRLabel: %KeyVault
 /sdk/keyvault/                                      @g2vinay @vcolin7 @samvaity
 # PRLabel: %azure-spring
-/sdk/keyvault/azure-security-keyvault-jca           @saragluna @yiliuTo @chenrujun @backwind1233 @jialindai
+/sdk/keyvault/azure-security-keyvault-jca           @saragluna @yiliuTo @chenrujun @backwind1233 @jialindai @stliu
 
 /sdk/loganalytics/microsoft-azure-loganalytics/     @divya-jay @geneh @alongafni
 
@@ -90,11 +90,11 @@
 /sdk/textanalytics/                                 @samvaity @mssfang
 
 # PRLabel: %azure-spring
-/sdk/spring/                                        @saragluna @yiliuTo @chenrujun @backwind1233 @jialindai
+/sdk/spring/                                        @saragluna @yiliuTo @chenrujun @backwind1233 @jialindai @stliu
 # PRLabel: %azure-spring
-/sdk/spring/azure-spring-boot-starter-keyvault-certificates    @saragluna @yiliuTo @chenrujun @backwind1233 @jialindai
+/sdk/spring/azure-spring-boot-starter-keyvault-certificates    @saragluna @yiliuTo @chenrujun @backwind1233 @jialindai @stliu
 # PRLabel: %azure-spring
-/sdk/spring/azure-spring-boot-samples/azure-spring-boot-sample-keyvault-certificates          @saragluna @yiliuTo @chenrujun @backwind1233 @jialindai
+/sdk/spring/azure-spring-boot-samples/azure-spring-boot-sample-keyvault-certificates          @saragluna @yiliuTo @chenrujun @backwind1233 @jialindai @stliu
 
 # end to end tests
 # PRLabel: %Azure.Identity