chore: update changelog in preparation for the upcoming release

This commit updates the changelog in preparation for the upcoming release.
References to changes of features that have not been released yet have
been removed.

CHANGELOG.md

@@ -11,18 +11,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- Support for Starknet 0.13.4.
+- Support for the JSON-RPC 0.8.0-rc3 API, including Websocket subscriptions.
 - Graceful shutdown upon SIGINT and SIGTERM with a default grace period of 10 seconds, configurable via `--shutdown.grace-period`.
-- `storage_root` along `nonce` and `class_hash` in `contracts_proof/contract_leaves_data` for `starknet_getStorageProof`.
 
 ### Removed
 
 - `storage_commitment` and `class_commitment` fields from the `pathfinder_subscribe_newHeads` method response.
-- `class_commitment` from the `pathfinder_getProof` and `pathfinder_getClassProof` method responses.
 
 ### Fixed
 
 - `pathfinder_getProof`, `pathfinder_getClassProof` return `ProofMissing` (10001) when Pathfinder is in `archive` mode and queried block's tries are empty.
-- `starknet_getStorageProof` returns `StorageProofNotSupported` (42) when Pathfinder is in `archive` mode and queried block's tries are empty.
 - `starknet_syncing` returns `u64::MAX` as the starting block number when starting from scratch.
 
 ### Changed