fix(deps): pin dependency @koa/bodyparser to 6.0.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
@koa/bodyparser (source)	dependencies	pin	^6.0.0 → 6.0.0

Add the preset :preserveSemverRanges to your config if you don't want to pin your dependencies.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (4cad01a) to head (ade5fc9).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##              main      #339    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files           87        87            
  Lines        12187     12187            
  Branches       637      1036   +399     
==========================================
  Hits         12187     12187            

Flag	Coverage Δ
integration	7.52% <ø> (ø)
unittest	96.96% <ø> (ø)

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