Use latest unreleased cbor4ii for now

vmx · vmx · commit 10005c6f549f · 2025-11-17T16:27:37.000+01:00
The latest version contains performance improvements.
diff --git a/Cargo.toml b/Cargo.toml
@@ -28,3 +28,6 @@ debug = false
 incremental = false
 lto = true
 opt-level = 3
+
+[patch.crates-io]
+cbor4ii = { git = "https://github.com/quininer/cbor4ii" }
