Upgrade jsonrpc to 0.18.0 (#9547)

* Upgrade jsonrpc to 0.18.0

I think this says all :P

* 🤦

* Fmt etc

* Fix tests

* Fix tests again...

* Better impl

* Revert "Tell dependabot to ignore jsonrpc-* updates (#9518)"

This reverts commit 6e0cd5587d.

substrate/client/service/src/builder.rs

@@ -561,6 +561,8 @@ where
 		+ sp_session::SessionKeys<TBl>
 		+ sp_api::ApiExt<TBl, StateBackend = TBackend::State>,
 	TBl: BlockT,
+	TBl::Hash: Unpin,
+	TBl::Header: Unpin,
 	TBackend: 'static + sc_client_api::backend::Backend<TBl> + Send,
 	TExPool: MaintainedTransactionPool<Block = TBl, Hash = <TBl as BlockT>::Hash>
 		+ MallocSizeOfWasm
@@ -762,6 +764,8 @@ where
 	TBackend: sc_client_api::backend::Backend<TBl> + 'static,
 	TRpc: sc_rpc::RpcExtension<sc_rpc::Metadata>,
 	<TCl as ProvideRuntimeApi<TBl>>::Api: sp_session::SessionKeys<TBl> + sp_api::Metadata<TBl>,
+	TBl::Hash: Unpin,
+	TBl::Header: Unpin,
 {
 	use sc_rpc::{author, chain, offchain, state, system};