GL-3070: PHP 8.4 support for Code Studio.

[bemarlan]

DO NOT MERGE YET
Cloud does not yet support PHP 8.4 per PC-22704. This PR should wait to be merged & released until Cloud supports PHP 8.4.

Motivation

Addresses GL-3070

Proposed changes

Adds PHP 8.4 as a prompt option during the cs:wizard command.

Alternatives considered

N/A

Testing steps

1. Locally, run glab auth login --hostname=code.dev.cloudservices.acquia.io
2. Run export GITLAB_HOST=code.dev.cloudservices.acquia.io
3. Run ./bin/acli cs:wizard
4. Answer prompts until you see the prompt for Select a PHP version. Note 8.4 is now an option.
5. Note: 8.3 is still the default selection per Out of Scope section in FR-2809

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.92%. Comparing base (e1c930e) to head (5cc2a2f).
Report is 10 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #1847   +/-   ##
=========================================
  Coverage     92.92%   92.92%           
  Complexity     1847     1847           
=========================================
  Files           123      123           
  Lines          6968     6969    +1     
=========================================
+ Hits           6475     6476    +1     
  Misses          493      493           

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[github-actions]

Try the dev build for this PR: https://acquia-cli.s3.amazonaws.com/build/pr/1847/acli.phar

curl -OL https://acquia-cli.s3.amazonaws.com/build/pr/1847/acli.phar
chmod +x acli.phar

[acquia-stalebot-platauto]

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[bemarlan]

Closing in favor of #1854