fix: resolve cargo-clippy CI errors in vendor crates

- Fix rebrand issues in pezkuwi-subxt signer (sp_core -> pezsp_core,
  sp_keyring -> pezsp_keyring, sp_runtime -> pezsp_runtime)
- Fix pezkuwi-zombienet-sdk tests (subxt::PolkadotConfig ->
  pezkuwi_subxt::PezkuwiConfig)
- Correct artifact paths in subxt examples (polkadot_metadata_*.scale)
- Fix type conversion issues in subxt examples (explicit constructors
  instead of .into() for generated types)
- Add pezkuwi-subxt-utils-stripmetadata dev-dependency to metadata crate
- Use original polkadot module from external frame-decode crate
- Fix Display trait usage for generated AccountId32 types

vendor/pezkuwi-subxt/subxt/examples/storage_fetch.rs

@@ -3,14 +3,14 @@ use pezkuwi_subxt::{OnlineClient, PezkuwiConfig};
 use pezkuwi_subxt_signer::sr25519::dev;
 
 // Generate an interface that we can use from the node's metadata.
-#[pezkuwi_subxt::subxt(runtime_metadata_path = "../artifacts/pezkuwi_metadata_small.scale")]
+#[pezkuwi_subxt::subxt(runtime_metadata_path = "../artifacts/polkadot_metadata_small.scale")]
 pub mod pezkuwi {}
 
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
 	// Create a new API client, configured to talk to Pezkuwi nodes.
 	let api = OnlineClient::<PezkuwiConfig>::new().await?;
-	let account = dev::alice().public_key().into();
+	let account = pezkuwi::runtime_types::sp_core::crypto::AccountId32(dev::alice().public_key().0);
 
 	// Build a storage query to access account information.
 	let storage_query = pezkuwi::storage().system().account();