perf: speed up actor shutdown

[Tochemey]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 54.90196% with 23 lines in your changes missing coverage. Please review.

Project coverage is 86.81%. Comparing base (c07cce7) to head (2e6ffda).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
actors/pid.go	54.90%	20 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #532      +/-   ##
==========================================
- Coverage   86.98%   86.81%   -0.18%     
==========================================
  Files          46       46              
  Lines        4603     4627      +24     
==========================================
+ Hits         4004     4017      +13     
- Misses        473      482       +9     
- Partials      126      128       +2     

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