Bump jsonrpc-ws-server from 12.0.0 to 12.1.0 (#5261)

Bumps [jsonrpc-ws-server](https://github.com/paritytech/jsonrpc) from 12.0.0 to 12.1.0.
- [Release notes](https://github.com/paritytech/jsonrpc/releases)
- [Commits](https://github.com/paritytech/jsonrpc/compare/v12.0.0...v12.1.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

core/Cargo.toml

@@ -32,7 +32,7 @@ jsonrpc-core = "12.1.0"
 jsonrpc-derive = "12.1.0"
 jsonrpc-http-server = "12.1.0"
 jsonrpc-pubsub = "12.0.0"
-jsonrpc-ws-server = "12.0.0"
+jsonrpc-ws-server = "12.1.0"
 libc = "0.2.58"
 log = "0.4.7"
 memmap = { version = "0.7.0", optional = true }