reader-alt: evict system packages using DB

[amnn]

Description

Rather than using a hard-coded list of system packages from sui-types, use the kv_packages table to fetch the system packages at the current checkpoint.

Test plan

Manual testing. Start the RPC -- it will run the system package eviction task a couple of seconds after it starts, and a log message should show which packages were evicted:

2025-05-11T20:14:00.508626Z  INFO sui_indexer_alt_reader::system_package_task: Detected epoch boundary last_epoch=0 next_epoch=760
2025-05-11T20:14:00.863414Z  INFO sui_indexer_alt_reader::system_package_task: Evicting... system_packages=[0000000000000000000000000000000000000000000000000000000000000002, 0000000000000000000000000000000000000000000000000000000000000001, 0000000000000000000000000000000000000000000000000000000000000003, 000000000000000000000000000000000000000000000000000000000000dee9, 000000000000000000000000000000000000000000000000000000000000000b]

Stack

• graphql-alt: MovePackage #21950
• graphql-alt: consistency infra #21990
• graphql-alt: Query.package, Query.multiGetPackages #21991
• easy refactor(graphql-alt): lock down visibility #21992
• graphql-alt: Epoch #21997
• graphql-alt: ProtocolConfigs #22004
• graphql-alt: Epoch.coinDenyList #22005
• graphql-alt: latest Epochs and Protocol Configs #22006
• graphql-alt: indices for packages and epochs #22085
• graphql-alt: Object version pagination #22086
• graphql-alt: IObject.objectAt, MovePackage.packageAt #22087
• graphql-alt: Query.packageVersions #22088
• reader-alt: query! macro #22089
• graphql-alt: Epoch.systemPackages #22090
• graphql-alt: more robust pipeline detection #22115

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Release notes

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• Protocol:
• Nodes (Validators and Full nodes):
• gRPC:
• JSON-RPC:
• GraphQL:
• CLI:
• Rust SDK:

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