add a benchmark Github Action and add comments · AElfProject/AElf@17e92d0

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/setup-java@v1, actions/cache@v1. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/setup-java@v1, actions/cache@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

Import treasury_contract.proto is unused.

Import google/protobuf/timestamp.proto is unused.

Import treasury_contract.proto is unused.

Import google/protobuf/timestamp.proto is unused.

'FileDescriptor.CustomOptions' is obsolete: 'CustomOptions are obsolete. Use the GetOptions() method.'

Import acs2.proto is unused.

The variable 'ex' is declared but never used

Import google/protobuf/timestamp.proto is unused.

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