40aba02e1f
Update incorrectly rebrand links to point to their actual locations: - json-rpc-interface-spec: pezkuwichain → paritytech (external spec repo) - subxt PR/issue refs: pezkuwichain → paritytech (upstream repo history) - pezcumulus: pezkuwichain/pezcumulus → pezkuwichain/pezkuwi-sdk/pezcumulus (monorepo) - pezcumulus commit-specific: → paritytech/cumulus (historical commits)