bump zombienet-sdk version v0.2.16 (#6633)

Fix #6575.

cc: @iulianbarbu

Co-authored-by: Iulian Barbu <[email protected]>

Author: pepoviola

Cargo.lock

@@ -1387,7 +1387,7 @@ xcm-procedural = { path = "polkadot/xcm/procedural", default-features = false }
 xcm-runtime-apis = { path = "polkadot/xcm/xcm-runtime-apis", default-features = false }
 xcm-simulator = { path = "polkadot/xcm/xcm-simulator", default-features = false }
 zeroize = { version = "1.7.0", default-features = false }
-zombienet-sdk = { version = "0.2.15" }
+zombienet-sdk = { version = "0.2.16" }
 zstd = { version = "0.12.4", default-features = false }
 
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