Add web3 pinned <7.0.0

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 81.91%. Comparing base (a4519b2) to head (0589a8c). Report is 69 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1661 +/- ## ========================================== - Coverage 82.15% 81.91% -0.25% ========================================== Files 98 98 Lines 7486 7486 ========================================== - Hits 6150 6132 -18 - Misses 1336 1354 +18 ``` | [Flag](https://app.codecov.io/gh/delvtech/agent0/pull/1661/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=delvtech) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/delvtech/agent0/pull/1661/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=delvtech) | `81.91% <ø> (-0.25%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=delvtech#carryforward-flags-in-the-pull-request-comment) to find out more.

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