fix typo

Author: mkardous-silabs

src/app/server/BUILD.gn

@@ -51,8 +51,8 @@ static_library("server") {
   cflags = [ "-Wconversion" ]
 
   public_deps = [
-    "${chip_root}/app/TestEventTriggerDelegate.h",
     "${chip_root}/src/app",
+    "${chip_root}/src/app:test-event-trigger",
     "${chip_root}/src/app/icd/server:icd-server-config",
     "${chip_root}/src/app/icd/server:observer",
     "${chip_root}/src/lib/address_resolve",