chore(main): release core 20.2.0

[zksync-era-bot]

🤖 I have created a release beep boop

20.2.0 (2024-01-30)

Features

• added unauthenticated version of gcs object store (#916) (638a813)
• Adding EN snapshots applier (#882) (0d2ba09)
• consensus component config for main node and external node (#881) (1aed8de)
• en: Make ENs detect reorgs earlier (#964) (b043cc8)
• en: Restore state keeper storage from snapshot (#885) (a9553b5)
• protobuf-generated json configs for the main node (BFT-371) (#458) (f938314)
• Remove zkevm_test_harness public reexport from zksync_types (#929) (dd1a35e)
• state-keeper: track the time that individual transactions spend in mempool (#941) (fa45aa9)
• vm: detailed circuit statistic (#845) (a20af60)
• vm: Support tracers for old vm (#926) (9fc2d95)

Bug Fixes

• api: Order transaction traces in debug_traceBlock* methods (#924) (5918ef9)
• db: Make get_expected_l1_batch_timestamp() more efficient (#963) (7334679)
• db: Make snapshot_recovery migration backward-compatible (#961) (e756762)
• zksync_types: Update SerializationTransactionError::OversizedData description (#949) (c95f3ee)

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[zksync-era-bot]

🤖 Release is at https://github.com/matter-labs/zksync-era/releases/tag/core-v20.2.0 🌻