test: fixes for test after eth 5 to 6 migration

[pcheremu]

What ❔

Latest version with rebase and fixes for ether V5 --> V6

Why ❔

zksync-web3 - deprecated, ether 5 is not compatible

Checklist

• [ ] PR title corresponds to the body of PR (we generate changelog entries from PRs).
• [ ] Tests for the changes have been added / updated.
• [ ] Documentation comments have been added / updated.

[github-actions[bot]]

API E2E Test Results

207 tests   207 :white_check_mark:  17s :stopwatch:  14 suites    0 :zzz:   1 files      0 :x:

Results for commit a49b1215.

:recycle: This comment has been updated with latest results.

[github-actions[bot]]

Unit Test Results

    4 files    263 suites   11m 46s :stopwatch: 2 090 tests 2 089 :white_check_mark: 1 :zzz: 0 :x: 2 299 runs  2 298 :white_check_mark: 1 :zzz: 0 :x:

Results for commit a49b1215.

:recycle: This comment has been updated with latest results.

[github-actions[bot]]

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