Update polkadot to v1.3.0
set correct mainnet.branch for node-only tests
- fix lookahead leftovers
- Merge pull request #1034 from UniqueNetwork/fix/remove-timestamp-get-from-pending-rpc
runtime/common/runtime_apis.rs24.0 KiBsourcehistoryUpdate polkadot to v1.3.0
set correct mainnet.branch for node-only tests