bump version of zombienet-sdk (paritytech#7964)

Bump zombienet-sdk version, including fixes for issues with init
containers.
Thx!

Author: pepoviola

Cargo.lock

@@ -1405,8 +1405,8 @@ 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-configuration = { version = "0.2.22" }
-zombienet-sdk = { version = "0.2.22" }
+zombienet-configuration = { version = "0.2.29" }
+zombienet-sdk = { version = "0.2.29" }
 zstd = { version = "0.12.4", default-features = false }
 
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