BIP-434: Enable wstETH/4Pool Gauge [Arbitrum]

[Xeonus]

• Enable wstETH/4Pool Gauge on Arbitrum
• Tenderly sim: https://dashboard.tenderly.co/public/safe/safe-apps/simulator/1ddc37b9-772d-4e16-8bdb-ddbe33d65f27

[github-actions]

BIP validation results for file BIPs/2023-W38/BIP-434.json:
Commit: 38041c3783183107b92246780fb644769dcb3de7

+-------------------------------+--------+
|           Validator           | Result |
+-------------------------------+--------+
|     validate_contains_msig    |   OK   |
| validate_msig_in_address_book |   OK   |
|    validate_chain_specified   |   OK   |
|     validate_file_has_bip     |   OK   |
|  validate_path_has_weekly_dir |   OK   |
+-------------------------------+--------+

[github-actions]

File name: BIPs/2023-W38/BIP-434.json
COMMIT: 38041c3783183107b92246780fb644769dcb3de7
CHAIN(S): arbitrum

+-----------------------+---------------------------------------------------------------------+--------------------------+--------------------------------------------+----------------------------------------------------------+------------------------------------------------+---------+------------+
| function              | pool_id_and_address                                                 | symbol_and_info          | gauge_address_and_info                     | tokens                                                   | rate_providers                                 | bip     |   tx_index |
+=======================+=====================================================================+==========================+============================================+==========================================================+================================================+=========+============+
| GaugeAdderV4/addGauge | 0xa1a8bf131571a2139feb79401aa4a2e9482df6270002000000000000000004b4  | 50wstETH/50-4Pool        | 0xa8Bb331a84032b156E5c670152A5Bd48f5DeC784 | "4POOL-BPT(0x423A1323c871aBC9d89EB06855bF5347048Fc4A5)", | "0x0000000000000000000000000000000000000000",  | BIP-434 |          0 |
|                       | pool_address: 0xA1a8bf131571A2139FEB79401aA4A2E9482Df627            | fee: 0.02, a-factor: N/A |  Style: L0 sidechain, cap: 100.0%          |   "wstETH(0x5979D7b546E38E414F7E9822514be443A4800529)"   |   "0xf7c5c26B574063e7b098ed74fAd6779e65E3F836" |         |            |
+-----------------------+---------------------------------------------------------------------+--------------------------+--------------------------------------------+----------------------------------------------------------+------------------------------------------------+---------+------------+