Fixes for underlying eth-account release

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 60.00000% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 83.43%. Comparing base (854e939) to head (4387838).

:exclamation: Current head 4387838 differs from pull request most recent head e9e0f81

Please upload reports for the commit e9e0f81 to get more accurate results.

Files	Patch %	Lines
src/agent0/ethpy/base/transactions.py	50.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1478 +/- ## ======================================= Coverage 83.43% 83.43% ======================================= Files 87 87 Lines 5643 5643 ======================================= Hits 4708 4708 Misses 935 935 ``` | [Flag](https://app.codecov.io/gh/delvtech/agent0/pull/1478/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/1478/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=delvtech) | `83.43% <60.00%> (ø)` | | 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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