Update dependency solidity-coverage to v0.8.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
solidity-coverage	0.8.2 -> 0.8.4

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Release Notes

sc-forks/solidity-coverage (solidity-coverage)

v0.8.4

Compare Source

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• Update solidity-parser to 0.16.0 (https://github.com/sc-forks/solidity-coverage/issues/802)

v0.8.3

Compare Source

==================

• Updates for Hardhat v2.15.0 (https://github.com/sc-forks/solidity-coverage/pull/796)

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Configuration

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[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (1921940) 98.17% compared to head (9a8d2c6) 98.17%.

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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #295   +/-   ##
=======================================
  Coverage   98.17%   98.17%           
=======================================
  Files          33       33           
  Lines       14019    14019           
  Branches      672      672           
=======================================
  Hits        13763    13763           
  Misses        251      251           
  Partials        5        5           

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