Remove Composer config PHP 8.3 compatibily platform for PSALM 6.0

[llaville]

Proposed Changes

1. should be apply first before PR 4925

Readiness Checklist

Author/Contributor

• Add entry to the CHANGELOG listing the change and linking to the corresponding issue (if appropriate)
• If documentation is needed for this change, has that been included in this pull request

Reviewing Maintainer

• Label as breaking if this is a large fundamental change
• Label as either automation, bug, documentation, enhancement, infrastructure, or performance

[github-actions]

🦙 MegaLinter status: ⚠️ WARNING

Descriptor	Linter	Files	Fixed	Errors	Warnings	Elapsed time
✅ API	spectral	1		0	0	1.63s
⚠️ BASH	bash-exec	6		1	0	0.02s
✅ BASH	shellcheck	6		0	0	0.24s
✅ BASH	shfmt	6	0	0	0	0.9s
✅ COPYPASTE	jscpd	yes		no	no	2.95s
✅ DOCKERFILE	hadolint	129		0	0	30.92s
✅ JSON	jsonlint	20		0	0	0.19s
✅ JSON	v8r	22		0	0	14.64s
⚠️ MARKDOWN	markdownlint	267	0	302	0	20.16s
✅ MARKDOWN	markdown-table-formatter	267	0	0	0	126.75s
⚠️ PYTHON	bandit	215		66	0	3.59s
✅ PYTHON	black	215	0	0	0	5.27s
✅ PYTHON	flake8	215		0	0	2.05s
✅ PYTHON	isort	215	0	0	0	1.38s
✅ PYTHON	mypy	215		0	0	11.17s
✅ PYTHON	pylint	215		0	0	32.94s
✅ PYTHON	ruff	215	0	0	0	0.8s
✅ REPOSITORY	checkov	yes		no	no	38.37s
✅ REPOSITORY	git_diff	yes		no	no	0.92s
⚠️ REPOSITORY	grype	yes		28	no	25.57s
✅ REPOSITORY	secretlint	yes		no	no	8.73s
✅ REPOSITORY	trivy	yes		no	no	15.91s
✅ REPOSITORY	trivy-sbom	yes		no	no	0.95s
⚠️ REPOSITORY	trufflehog	yes		1	no	52.41s
✅ SPELL	cspell	718		0	0	11.96s
⚠️ SPELL	lychee	349		29	0	8.11s
✅ XML	xmllint	3	0	0	0	0.98s
✅ YAML	prettier	160	0	0	0	3.8s
✅ YAML	v8r	102		0	0	29.13s
✅ YAML	yamllint	161		0	0	3.09s

See detailed report in MegaLinter reports