rpc: bump jsonrpsee v0.22 and fix race in rpc v2 chain_head (#3230)

Close #2992 

Breaking changes:
- rpc server grafana metric `substrate_rpc_requests_started` is removed
(not possible to implement anymore)
- rpc server grafana metric `substrate_rpc_requests_finished` is removed
(not possible to implement anymore)
- rpc server ws ping/pong not ACK:ed within 30 seconds more than three
times then the connection will be closed

Added
- rpc server grafana metric `substrate_rpc_sessions_time` is added to
get the duration for each websocket session

substrate/utils/frame/rpc/support/Cargo.toml

@@ -16,7 +16,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.6.1" }
-jsonrpsee = { version = "0.20.3", features = ["jsonrpsee-types"] }
+jsonrpsee = { version = "0.22", features = ["jsonrpsee-types"] }
 serde = "1"
 frame-support = { path = "../../../../frame/support" }
 sc-rpc-api = { path = "../../../../client/rpc-api" }
@@ -24,7 +24,7 @@ sp-storage = { path = "../../../../primitives/storage" }
 
 [dev-dependencies]
 scale-info = "2.10.0"
-jsonrpsee = { version = "0.20.3", features = ["jsonrpsee-types", "ws-client"] }
+jsonrpsee = { version = "0.22", features = ["jsonrpsee-types", "ws-client"] }
 tokio = "1.22.0"
 sp-core = { path = "../../../../primitives/core" }
 sp-runtime = { path = "../../../../primitives/runtime" }