Update sigs.yaml

Co-authored-by: Puerco <puerco@users.noreply.github.com>

Author: SaranBalaji90

sigs.yaml

@@ -3987,7 +3987,7 @@ committees:
       email: natherz@amazon.com
     - github: puerco
       name: Adolfo García Veytia
-      company: Stacklok
+      company: Carabiner Systems, Inc
       email: adolfo.garcia@uservers.net
     - github: ritazh
       name: Rita Zhang