[GitHub Actions] Fix deploy-apidocs.yml for phpDocumentor usage

[takano32]

Description
Follow-up #7832

Fix GitHub Actions Error.

e.g. https://github.com/codeigniter4/CodeIgniter4/actions/runs/5887864586/job/15967978898

Run phpDocumentor run --ansi --verbose
PHP Warning:  require(phar:///usr/local/bin/phpDocumentor/bin/phpdoc): Failed to open stream: phar error: no directory in "phar:///usr/local/bin/phpDocumentor/bin/phpdoc", must have at least phar:///usr/local/bin/phpDocumentor/bin/phpdoc/ for root directory (always use full path to a new phar) in /usr/local/bin/phpDocumentor on line 10
PHP Fatal error:  Uncaught Error: Failed opening required 'phar:///usr/local/bin/phpDocumentor/bin/phpdoc' (include_path='.:/usr/share/php') in /usr/local/bin/phpDocumentor:10
Stack trace:
#0 {main}
  thrown in /usr/local/bin/phpDocumentor on line 10
Error: Process completed with exit code 255.

Fixed according to the official phpDocumentor documentation.

see also. https://github.com/phpDocumentor/phpDocumentor

This time, I checked the operation completely in the local development environment.

Sorry and Thanks.

Checklist:

• Securely signed commits
• Component(s) with PHPDoc blocks, only if necessary or adds value
• Unit testing, with >80% coverage
• User guide updated
• Conforms to style guide

[kenjis]

I think using --trust-gpg-keys is better. But try this PR for now.

[kenjis]

Failed. Can you add --trust-gpg-keys again?

Error:    Needs tty to be able to confirm

	Fingerprint: F33A 0AF6 9AF7 A8B1 5017 DB52 6DA3 ACC4 991F FAE5

	phpDocumentor <[email protected]>

	Created: 2019-07-26

Import this key? [y|N] 
Error: Process completed with exit code 4.

https://github.com/codeigniter4/CodeIgniter4/actions/runs/5888811844/job/15970764918

[takano32]

@kenjis I see. Wait a minutes please. 🙇

[takano32]

@kenjis How about this?

#7834

Thanks!