feat: OP Sepolia

[codynhat]

Description

Please provide a detailed description of what was done in this PR

Issue

fixes #ISSUE

Checklist:

• My commit message follows the Conventional Commits specification
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have tested my code
• My changes generate no new warnings
• My PR is rebased off the most recent develop or appropriate feature branch
• My PR is opened against the develop or appropriate feature branch

Additional comments

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@codynhat @gravenp