Revert macOS dylib path

Author: simolus3

dart/test/utils/native_test_utils.dart

@@ -15,7 +15,7 @@ void applyOpenOverride() {
     return DynamicLibrary.open('libsqlite3.so.0');
   });
   sqlite_open.open.overrideFor(sqlite_open.OperatingSystem.macOS, () {
-    return DynamicLibrary.open('/opt/homebrew/opt/sqlite/lib/libsqlite3.dylib');
+    return DynamicLibrary.open('libsqlite3.dylib');
   });
 }