bump matter_support submodule

jmartinez-silabs · jmartinez-silabs · commit d428fbce468b · 2024-08-19T17:38:17.000-04:00
diff --git a/third_party/silabs/matter_support b/third_party/silabs/matter_support
@@ -1 +1 @@
-Subproject commit 8f476b30f9c6041de334abadcdb6852ade77790e
+Subproject commit 5c7ec6cf179b62ae55ec068cee48e0940bb81f18
