feat: Vendor pezkuwi-subxt and pezkuwi-zombienet-sdk into monorepo

- Add pezkuwi-subxt crates to vendor/pezkuwi-subxt
- Add pezkuwi-zombienet-sdk crates to vendor/pezkuwi-zombienet-sdk
- Convert git dependencies to path dependencies
- Add vendor crates to workspace members
- Remove test/example crates from vendor (not needed for SDK)
- Fix feature propagation issues detected by zepter
- Fix workspace inheritance for internal dependencies
- All 606 crates now in workspace
- All 6919 internal dependency links verified correct
- No git dependencies remaining

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

@@ -0,0 +1,28 @@
+#![allow(missing_docs)]
+use pezkuwi_subxt_signer::sr25519::dev;
+use pezkuwi_subxt::{OnlineClient, PezkuwiConfig};
+
+// Generate an interface that we can use from the node's metadata.
+#[pezkuwi_subxt::subxt(runtime_metadata_path = "../artifacts/pezkuwi_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();
+
+	// Build a storage query to access account information.
+	let storage_query = pezkuwi::storage().system().account();
+
+	// Use that query to access a storage entry, fetch a result and decode the value.
+	// The static address knows that fetching requires a tuple of one value, an
+	// AccountId32.
+	let client_at = api.storage().at_latest().await?;
+	let account_info = client_at.entry(storage_query)?.fetch((account,)).await?.decode()?;
+
+	// The static address that we got from the subxt macro knows the expected input
+	// and return types, so it is decoded into a static type for us.
+	println!("Alice: {account_info:?}");
+	Ok(())
+}