Update CODEOWNERS (Azure#15647)

Author: zhenglaizhang

CODEOWNERS

@@ -68,7 +68,7 @@
 /specification/service-map/ @daveirwin1
 /specification/servicebus/ @sazeesha @v-ajnava
 /specification/servicefabric/ @juhacket @samedder
-/specification/sql/ @jamestao @bcham @apurvans
+/specification/sql/ @jamestao @ericshape @apurvans
 /specification/storage/ @blueww @jasonyang-msft @xiaonlimsft
 /specification/storage/data-plane/ @kasobol-msft @seanmcc-msft
 /specification/storageimportexport/ @leoz-ms