BIP-496: Enable osETH/ETH Gauge [Ethereum] with 10% emission cap

[Xeonus]

• Enable osETH/ETH gauge
• Tenderly-sim: https://dashboard.tenderly.co/public/safe/safe-apps/simulator/84c5a08e-acfc-4c2a-9fc0-e6b04b98e682

[github-actions]

BIP validation results for file BIPs/2023-W48/BIP-496.json:
Commit: 4a96a3cad8d037c30be84fba4b72395cee858569

+-------------------------------+--------+
|           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-W48/BIP-496.json
COMMIT: 4a96a3cad8d037c30be84fba4b72395cee858569
CHAIN(S): mainnet

+-----------------------+---------------------------------------------------------------------+--------------------------+--------------------------------------------+-----------------------------------------------------------------+-------------------------------------------------+---------+------------+
| function              | pool_id_and_address                                                 | symbol_and_info          | gauge_address_and_info                     | tokens                                                          | rate_providers                                  | bip     |   tx_index |
+=======================+=====================================================================+==========================+============================================+=================================================================+=================================================+=========+============+
| GaugeAdderV4/addGauge | 0xdacf5fa19b1f720111609043ac67a9818262850c000000000000000000000635  | osETH/wETH-BPT           | 0xc592c33e51A764B94DB0702D8BAf4035eD577aED | "WETH(0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2)",             | "0x0000000000000000000000000000000000000000",   | BIP-496 |          0 |
|                       | pool_address: 0xDACf5Fa19b1f720111609043ac67A9818262850c            | fee: 0.01, a-factor: 200 |  Style: mainnet, cap: 10.0%                |   "osETH/wETH-BPT(0xDACf5Fa19b1f720111609043ac67A9818262850c)", |   "0x0000000000000000000000000000000000000000", |         |            |
|                       |                                                                     |                          |                                            |   "osETH(0xf1C9acDc66974dFB6dEcB12aA385b9cD01190E38)"           |   "0x8023518b2192FB5384DAdc596765B3dD1cdFe471"  |         |            |
+-----------------------+---------------------------------------------------------------------+--------------------------+--------------------------------------------+-----------------------------------------------------------------+-------------------------------------------------+---------+------------+

[gosuto-inzasheru]

• l0 gauge correctly refers to the lp
• l0 gauge correctly capped at 10%
• oseth rate provider has been reviewed
• no core pool status as per bip