fix:rewardsv2 version in readme to 0.5.4 (#246)

Fixes #

### What Changed?
Correct contracts version in readme 
### Reviewer Checklist

- [ ] New features are tested and documented
- [ ] PR updates the changelog with a description of changes
- [ ] PR has one of the `changelog-X` labels (if applies)
- [ ] Code deprecates any old functionality before removing it

---------

Co-authored-by: supernovahs <supernovahs@proton.me>
Co-authored-by: Tomás Grüner <47506558+MegaRedHand@users.noreply.github.com>

CHANGELOG.md

@@ -15,7 +15,7 @@ Each version will have a separate `Breaking Changes` section as well. To describ
 * Changes in the way bindings are generated in [#245](https://github.com/Layr-Labs/eigensdk-rs/pull/243).
   * The `bindings` target now generates the bindings using Docker with Foundry v0.3.0.
   * The previous `bindings` target was renamed to `bindings_host`, as it runs without Docker. However the `bindings_host` target is for CI use only. To generate the bindings, please use the `bindings` target.
- 
+* Fixed the rewardsv2 bindings version in readme to 0.5.4 in [#246](https://github.com/Layr-Labs/eigensdk-rs/pull/246).
 
 ### Breaking changes
 ### Removed

README.md

@@ -19,7 +19,7 @@ cargo add eigensdk --features full
 - [eigen-metrics](https://github.com/Layr-Labs/eigensdk-rs/tree/main/crates/metrics) - performance, rpc and economic metrics
 - [eigen-services](https://github.com/Layr-Labs/eigensdk-rs/tree/main/crates/services) - Spawn tokio services for operators info, bls aggregation
 - [eigen-types](https://github.com/Layr-Labs/eigensdk-rs/tree/main/crates/types) - Common types
-- [eigen-utils](https://github.com/Layr-Labs/eigensdk-rs/tree/main/crates/utils) - Publicly exportable `mainnet rewards v0.4.3` compatible alloy bindings.
+- [eigen-utils](https://github.com/Layr-Labs/eigensdk-rs/tree/main/crates/utils) - Publicly exportable `mainnet rewards-v2 v0.5.4` compatible alloy bindings.
 - [eigen-testing-utils](https://github.com/Layr-Labs/eigensdk-rs/tree/main/testing/testing-utils) - Contains publicly exportable anvil, holesky, mainnet addresses for eigen contracts.
 - [eigen-cli](https://github.com/Layr-Labs/eigensdk-rs/tree/main/crates/eigen-cli) - ECDSA, BLS keystore cli
 - [eigen-nodeapi](https://github.com/Layr-Labs/eigensdk-rs/tree/main/crates/nodeapi) - NodeApi implementation for EigenLayer.