build(deps): bump jsonrpsee from 0.16.3 to 0.21.0 (#281)

Bumps [jsonrpsee](https://github.com/paritytech/jsonrpsee) from 0.16.3 to 0.21.0.
- [Release notes](https://github.com/paritytech/jsonrpsee/releases)
- [Changelog](https://github.com/paritytech/jsonrpsee/blob/master/CHANGELOG.md)
- [Commits](paritytech/jsonrpsee@v0.16.3...v0.21.0)

---
updated-dependencies:
- dependency-name: jsonrpsee
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

node/Cargo.toml

@@ -44,7 +44,7 @@ sp-io = { version = "23.0.0", git = "https://github.com/paritytech/polkadot-sdk.
 pallet-transaction-payment = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/polkadot-sdk.git", branch = "release-polkadot-v1.2.0" }
 
 # These dependencies are used for the node template's RPCs
-jsonrpsee = { version = "0.16.2", features = ["server"] }
+jsonrpsee = { version = "0.21.0", features = ["server"] }
 sp-api = { version = "4.0.0-dev", git = "https://github.com/paritytech/polkadot-sdk.git", branch = "release-polkadot-v1.2.0" }
 sc-rpc-api = { version = "0.10.0-dev", git = "https://github.com/paritytech/polkadot-sdk.git", branch = "release-polkadot-v1.2.0" }
 sp-blockchain = { version = "4.0.0-dev", git = "https://github.com/paritytech/polkadot-sdk.git", branch = "release-polkadot-v1.2.0" }