2.4.4 beta backports

[soc1c]

• version: bump beta
• fix Sha3/keccak256 hash calculation for binaries (fix Sha3/keccak256 hash calculation for binaries #10509)
• verbose flag for cpp tests (verbose flag for cpp tests #10524)
• Initial support sccache for windows build (Initial support sccache for windows build #10520)
• ethcore: remove eth social and easthub chain configs (ethcore: remove eth social and easthub chain configs #10531)
• Fix max_gas (Fix max_gas #10537)
• build android with cache, win fixes (build android with cache, win fixes #10546)
• Update light client harcoded headers (Update light client harcoded headers #10547)
• tx-pool: check transaction readiness before replacing (tx-pool: check transaction readiness before replacing #10526)
• fix(light eth_gasPrice): ask network if not in cache (fix(light eth_gasPrice): ask network if not in cache #10535)
• fix(light account response): update tx_queue (fix(light account response): update tx_queue on every account request/response #10545)

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