Fix: 修复依赖注入默认值参数在 __eq__ 被重写时报错的问题

[yanyongyu]

No description provided.

[codecov]

Codecov Report

Merging #971 (5f9ad33) into master (42a49a2) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #971   +/-   ##
=======================================
  Coverage   77.29%   77.29%           
=======================================
  Files          42       42           
  Lines        3096     3096           
=======================================
  Hits         2393     2393           
  Misses        703      703           

Flag	Coverage Δ
unittests	77.29% <100.00%> (ø)

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Impacted Files	Coverage Δ
nonebot/dependencies/__init__.py	88.29% <100.00%> (ø)

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[github-actions]

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