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/constants_static.rs

@@ -0,0 +1,24 @@
+#![allow(missing_docs)]
+use pezkuwi_subxt::{OnlineClient, PezkuwiConfig};
+
+#[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 client to use:
+	let api = OnlineClient::<PezkuwiConfig>::new().await?;
+
+	// A query to obtain some constant:
+	let constant_query = pezkuwi::constants().system().block_length();
+
+	// Obtain the value:
+	let value = api.constants().at(&constant_query)?;
+
+	// Or obtain the bytes:
+	let bytes = api.constants().bytes_at(&constant_query)?;
+
+	println!("Encoded block length: {bytes:?}");
+	println!("Block length: {value:?}");
+	Ok(())
+}