avs-v0.5.0

• Migrated scroll code to scroll-prover
• Removed testing key (needed to generated a new one by cargo sgx gen-key bin/sgx-prover/sgx/private.pem
• Upgraded the Automata SGX SDK to the latest version, supports the ubuntu 22.04.
• Upgraded the Intel SGX SDK to 2.24.
• Security improvement of attestation layer, make sure the result the operator submits must generated from the SGX prover.
• Add timeout for generating context