ci: add native arm64 GHA runner support

[bduranleau-nr]

No description provided.

[newrelic-php-agent-bot]

Test Suite	Status	Result
Multiverse	❌	7/8 passing
SOAK	❌	83/85 passing

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.27%. Comparing base (143cf0c) to head (a686d66).

Additional details and impacted files

@@           Coverage Diff           @@
##              dev    #1066   +/-   ##
=======================================
  Coverage   77.27%   77.27%           
=======================================
  Files         199      199           
  Lines       28327    28327           
=======================================
  Hits        21890    21890           
  Misses       6437     6437           

Flag	Coverage Δ
agent-for-php-7.2	77.47% <ø> (ø)
agent-for-php-7.3	77.49% <ø> (ø)
agent-for-php-7.4	77.36% <ø> (ø)
agent-for-php-8.0	76.56% <ø> (ø)
agent-for-php-8.1	76.88% <ø> (ø)
agent-for-php-8.2	76.50% <ø> (ø)
agent-for-php-8.3	76.50% <ø> (ø)
agent-for-php-8.4	76.52% <ø> (ø)

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