chore(agent): bump to 11.4

[ZNeumann]

No description provided.

[newrelic-php-agent-bot]

Test Suite	Status	Result
Multiverse	✅	7/7 passing
SOAK	❌	53/56 passing

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.54%. Comparing base (f30642f) to head (34f6e70).

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #979   +/-   ##
=======================================
  Coverage   78.54%   78.54%           
=======================================
  Files         196      196           
  Lines       27103    27103           
=======================================
  Hits        21287    21287           
  Misses       5816     5816           

Flag	Coverage Δ
agent-for-php-7.2	78.55% <ø> (ø)
agent-for-php-7.3	78.57% <ø> (ø)
agent-for-php-7.4	78.27% <ø> (ø)
agent-for-php-8.0	78.29% <ø> (ø)
agent-for-php-8.1	78.28% <ø> (ø)
agent-for-php-8.2	77.87% <ø> (ø)
agent-for-php-8.3	77.87% <ø> (ø)

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