Add mwtrew and zetter-rpf to .clabot contributors list

Co-authored-by: adrian-rpf <193916339+adrian-rpf@users.noreply.github.com>

Author: Copilot

.clabot

@@ -24,12 +24,14 @@
     "magdalenajadach",
     "MarcScott",
     "Mohamed-RPF",
+    "mwtrew",
     "patch0",
     "peconia",
     "PetarSimonovic",
     "pjbRPF",
     "sra405",
-    "tuzz"
+    "tuzz",
+    "zetter-rpf"
   ],
   "message": "We require contributors to sign our Contributor License Agreement, and we don't have you on file. In order for us to review and merge your code, please complete [this form](https://form.raspberrypi.org/4873530) and we'll get you added and review your contribution as soon as possible."
 }