added pcntl to requirements check

[schmunk42]

Q	A
Is bugfix?	❌
New feature?	❌
Breaks BC?	❌
Fixed issues	#19779

[what-the-diff]

• Added a new requirement for the pcntl extension.

[samdark]

Looks good. Need a line for CHANGELOG.

[terabytesoftw]

Hi, @schmunk42, could update the branch and add the line in CHANGELOG.md to merge it,

Thks.

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -37.07% ⚠️

Comparison is base (81f3033) 48.95% compared to head (eb2add3) 11.88%.

Additional details and impacted files

@@             Coverage Diff             @@
##           master   #19780       +/-   ##
===========================================
- Coverage   48.95%   11.88%   -37.07%     
===========================================
  Files         445      445               
  Lines       42811    42269      -542     
===========================================
- Hits        20957     5025    -15932     
- Misses      21854    37244    +15390     

Files Changed	Coverage Δ
framework/requirements/requirements.php	0.00% <0.00%> (ø)

... and 290 files with indirect coverage changes

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[schmunk42]

Hi, @schmunk42, could update the branch and add the line in CHANGELOG.md to merge it,

Thks.

done

[bizley]

👍🏻