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/runtime_apis_dynamic.rs

@@ -12,7 +12,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 	// `scale_value::Value` type as output, and a vec of those as inputs,
 	// but since we know the input + return types we can pass them directly.
 	// There is one input argument, so the inputs are a tuple of one element.
-	let account: AccountId32 = dev::alice().public_key().into();
+	let account = AccountId32(dev::alice().public_key().0);
 	let runtime_api_call = pezkuwi_subxt::dynamic::runtime_api_call::<_, u64>(
 		"AccountNonceApi",
 		"account_nonce",