Update ref to gpm test data

ghiggi · ghiggi · commit a391f20cd1cc · 2025-03-01T17:50:07.000+01:00
diff --git a/gpm/tests/data b/gpm/tests/data
@@ -1 +1 @@
-Subproject commit 9555dfb36a43e995876def6da71545547a9b3567
+Subproject commit cc4edda3e2cff1c0d6a4b7f8407815807add5786
