op-rbuilder/v0.4.14

Miscellaneous

• b0c0765 Update tdx-attestation-sdk (#572)
• 31bb282 Update crate and remove clippy allow (#573)
• 5ec1f0a Decker recipe with observability + docs (#563)
• dee0a7b Bump op-reth pin (#577)
• d29fb00 Bump Cargo version to 0.4.14

Refactor

• 08305fe Use reth BlockBuilder for execution paths (#574)
• 998fb56 Assemble flashblock headers via upstream OpBlockAssembler (#575)