Declare existing Zstd dependency for bounded cursor decoding

Cargo.lock

@@ -7198,6 +7198,7 @@ dependencies = [
  "wol-rs",
  "x11-clipboard 0.8.1",
  "x11rb 0.12.0",
+ "zstd",
 ]
 
 [[package]]

Cargo.toml

@@ -61,6 +61,7 @@ cfg-if = "1.0"
 lazy_static = "1.4"
 sha2 = "0.10"
 repng = "0.2"
+zstd = "0.13"
 parity-tokio-ipc = { git = "https://github.com/rustdesk-org/parity-tokio-ipc" }
 magnum-opus = { git = "https://github.com/rustdesk-org/magnum-opus" }
 dasp = { version = "0.11", features = ["signal", "interpolate-linear", "interpolate"], optional = true }