fix: use tokio::process::spawn() for pc_ctl on Windows

[brianheineman]

Address #99

[github-actions]

Bencher Report

Branch	spawn-pg-ctl-on-windows-async
Testbed	localhost

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Benchmark	Latency	microseconds (µs)
extract	📈 view plot ⚠️ NO THRESHOLD	203.30
lifecycle	📈 view plot ⚠️ NO THRESHOLD	2,567,200.00

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[codecov]

Codecov Report

Attention: Patch coverage is 61.53846% with 5 lines in your changes missing coverage. Please review.

Project coverage is 99.08%. Comparing base (01977bd) to head (e93b944).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
postgresql_commands/src/traits.rs	61.53%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #153      +/-   ##
==========================================
- Coverage   99.12%   99.08%   -0.05%     
==========================================
  Files          71       71              
  Lines        9189     9190       +1     
==========================================
- Hits         9109     9106       -3     
- Misses         80       84       +4     

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