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/signer/tests/no-std/.gitignore

@@ -0,0 +1 @@
+/target

vendor/pezkuwi-subxt/signer/tests/no-std/Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+name = "nostd-tests"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[dev-dependencies]
+
+# This crate is not a part of the workspace, to ensure that no features
+# are enabled for it at the workspace level; which conflict with this test.
+subxt-signer = { path = "../../", default-features = false, features = [
+	"ecdsa",
+	"sr25519",
+	"unstable-eth",
+] }
+
+# this shouldn't be needed, it's in workspace.exclude, but still
+# I get the complaint unless I add it...
+[workspace]

vendor/pezkuwi-subxt/signer/tests/no-std/tests/no_std.rs

@@ -0,0 +1,51 @@
+#![no_std]
+
+use pezkuwi_subxt_signer::{ecdsa, eth, sr25519};
+
+// Run the tests by calling:
+//
+// ```text
+// cargo test
+// ```
+//
+// These are independent of any other package to ensure that nothing
+// else enabled the same feature flag that subxt-signer needs to work ok
+// (subxt seems to, for instance).
+
+#[test]
+fn sr25519_signing_works() {
+    let alice = sr25519::dev::alice();
+
+    // There's some non-determinism in the signing, so this ensures that
+    // the rand stuff is configured properly to run ok in wasm.
+    let signature = alice.sign(b"Hello there");
+    assert!(sr25519::verify(
+        &signature,
+        b"Hello there",
+        &alice.public_key()
+    ));
+}
+
+#[test]
+fn ecdsa_signing_works() {
+    let alice = ecdsa::dev::alice();
+
+    // There's some non-determinism in the signing, so this ensures that
+    // the rand stuff is configured properly to run ok in wasm.
+    let signature = alice.sign(b"Hello there");
+    assert!(ecdsa::verify(
+        &signature,
+        b"Hello there",
+        &alice.public_key()
+    ));
+}
+
+#[test]
+fn eth_signing_works() {
+    let alice = eth::dev::alith();
+
+    // There's some non-determinism in the signing, so this ensures that
+    // the rand stuff is configured properly to run ok in wasm.
+    let signature = alice.sign(b"Hello there");
+    assert!(eth::verify(&signature, b"Hello there", &alice.public_key()));
+}