validation: add standard multisig addresses for guardian and challenger

[geoknee]

Towards https://github.com/ethereum-optimism/client-pod/issues/913

• [x] Note that many chains currently fail this check, so will need to be ~bumped down to "frontier".~ excluded for now

  --- FAIL: TestL1SecurityConfigs (0.00s)
  --- FAIL: TestL1SecurityConfigs/Base_(8453) (1.61s)
  --- FAIL: TestL1SecurityConfigs/Lyra_(957) (1.63s)
  --- FAIL: TestL1SecurityConfigs/PGN_(424) (1.64s)
  --- FAIL: TestL1SecurityConfigs/Mode_(34443) (1.67s)
  --- FAIL: TestL1SecurityConfigs/Zora_(7777777) (1.67s)
  --- FAIL: TestL1SecurityConfigs/Metal_(1750) (1.72s)
  --- FAIL: TestL1SecurityConfigs/Orderly_Network_(291) (1.72s)
  --- FAIL: TestL1SecurityConfigs/PGN_Sepolia_(58008) (1.75s)
  --- FAIL: TestL1SecurityConfigs/Base_Sepolia_(84532) (1.78s)
  --- FAIL: TestL1SecurityConfigs/Zora_Sepolia_(999999999) (1.80s)
  --- FAIL: TestL1SecurityConfigs/Mode_Sepolia_(919) (1.82s)
  --- FAIL: TestL1SecurityConfigs/race_(90001) (1.84s)
  --- FAIL: TestL1SecurityConfigs/Base_devnet_0_(11763072) (1.87s)
  --- PASS: TestL1SecurityConfigs/OP_Labs_Sepolia_devnet_0_(11155421) (2.06s)
  --- PASS: TestL1SecurityConfigs/OP-Sepolia_(11155420) (1.64s)
  --- PASS: TestL1SecurityConfigs/OP-Mainnet_(10) (1.68s)

[geoknee]

• [x] When https://github.com/ethereum-optimism/superchain-registry/pull/279 is merged, we should pull the key handover addresses into these config toml files (the test code can remain separate).