fix: verification issue [APE-964]

[antazoey]

What I did

• regression from rate limiting
• clean api key from exceptions
• timeout issue
• issue where falsely didnt count already verified contracts as ok

How I did it

How to verify it

Checklist

• [ ] Passes all linting checks (pre-commit and CI jobs)
• [ ] New test cases have been added and are passing
• [ ] Documentation has been updated
• [ ] PR title follows Conventional Commit standard (will be automatically included in the changelog)

[linear[bot]]

APE-964 "fix: verification issue" (ApeWorX/ape-etherscan #89)

### What I did fixes: # ### How I did it ### How to verify it ### Checklist * [ ] Passes all linting checks (pre-commit and CI jobs) * [ ] New test cases have been added and are passing * [ ] Documentation has been updated * [ ] PR title follows [Conventional Commit](https://www.conventionalcommits.org/en/v1.0.0/) standard (will be automatically included in the changelog) --- [ApeWorX/ape-etherscan #89](https://github.com/ApeWorX/ape-etherscan/pull/89) by [antazoey](https://github.com/antazoey) on GitHub *via LinearSync*