feat: add bevm testnet(11503)

[icodezjb]

Add new chain

Template to provide information about the new chain. Only add extra information in the bottom section. Ensure that the contracts are deployed on the chain, if not deploy with safe-contracts. Only one chain ID, one Safe version and one deployment type per PR. This entire paragraph should be deleted.

Please fill the following form:

Provide the Chain ID (Only 1 chain id per PR).

• Chain_ID: 11503

Provide RPC URL for the chain (should be able to query atleast 10 requests per minute for automatic PR check).

• RPC_URL: https://testnet.bevm.io

Relevant information: Block explorer: https://scan-testnet.bevm.io/