feat: introduce bob sepolia

[juliopavila]

Description:

This PR adds support for the BoB Sepolia testnet in Hardhat configuration. The newly introduced network allows deploying and verifying smart contracts on BoB's Sepolia blockchain.

Changes:

• Added bob-sepolia network configuration to hardhat.config.ts.
• Included bob-sepolia under the etherscan.apiKey configuration using a placeholder key.
• Extended customChains configuration to support contract verification for BoB Sepolia.

Deployment and Verification:

The following contracts were successfully deployed on BoB Sepolia:

• 🚀 Delay@1.0.0: Successfully verified at https://explorer-bob-sepolia-dm6uw0yhh3.t.conduit.xyz/address/0xD62129BF40CD1694b3d9D9847367783a1A4d5cB4
• 🚀 Delay@1.0.1: Successfully verified at https://explorer-bob-sepolia-dm6uw0yhh3.t.conduit.xyz/address/0xd54895B1121A2eE3f37b502F507631FA1331BED6
• 🚀 Delay@1.1.0: Successfully verified at https://explorer-bob-sepolia-dm6uw0yhh3.t.conduit.xyz/address/0x01F8cabB808D7dE0dF4202D4B60C8310d2f1339b

References:

• Official Bob documentation: Docs

[coveralls]

Pull Request Test Coverage Report for Build 13393730097

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 97.778%

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Totals
Change from base Build 13393626899:	0.0%
Covered Lines:	50
Relevant Lines:	50

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💛 - Coveralls

[auryn-macmillan]

lgtm