Add BenchmarkError::Weightless (for v0.9.36)#874

insipx wants to merge 6 commits intoopen-web3-stack:polkadot-v0.9.36open-web3-stack/open-runtime-module-library:polkadot-v0.9.36from

insipx:insipx/fix/v0.9.36-benchmarking-errorsinsipx/open-runtime-module-library:insipx/fix/v0.9.36-benchmarking-errorsCopy head branch name to clipboard