Update substrate crates (#709)

* Patch all substrate deps to use my substrate branch

* default-features = false causing issus in test-runtime

* Use substrate polkadot release branch

* Use default-features for sp-runtime again :(

* Restore default-features for subxt-cli/sp-core

* Fix module error integration test

* Add Send + Sync bounds to ExtrinsicEvents::iter()

* Elide lifetime

* Revert adding Send + Sync

* Add Sync bound to Rpc::ClientError

* Remove version in subxt-metadata

* Use released crates

* Use released sp-keyring

* Fix sp-keyring deps

* Remove unnecessary sp-keyring default-features = false

subxt/src/error.rs

@@ -112,7 +112,7 @@ pub enum RpcError {
     // Dev note: We need the error to be safely sent between threads
     // for `subscribe_to_block_headers_filling_in_gaps` and friends.
     /// Error related to the RPC client.
-    ClientError(Box<dyn std::error::Error + Send + 'static>),
+    ClientError(Box<dyn std::error::Error + Send + Sync + 'static>),
     /// The RPC subscription dropped.
     SubscriptionDropped,
 }