fix deny

Author: Boog900

deny.toml

@@ -139,8 +139,8 @@ confidence-threshold = 0.8
 # Allow 1 or more licenses on a per-crate basis, so that particular licenses
 # aren't accepted for every possible crate as with the normal allow list
 exceptions = [
-    # Cuprate (AGPL-3.0)
-    { allow = ["AGPL-3.0"], name = "cuprated", version = "*" }
+    # Cuprate (AGPL-3.0-only)
+    { allow = ["AGPL-3.0-only"], name = "cuprated", version = "*" }
 
     # Each entry is the crate and version constraint, and its specific allow
     # list