Install pytest-xdist with optional psutil

[echoix]

Fixes #

Proposed Changes

1. …
2. …
3. …

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: ❌ ERROR

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ API	spectral	2		0	3.07s
✅ BASH	bash-exec	5		0	0.05s
✅ BASH	shellcheck	5		0	0.13s
✅ BASH	shfmt	5	0	0	0.64s
✅ COPYPASTE	jscpd	yes		no	3.74s
✅ DOCKERFILE	hadolint	130		0	16.61s
✅ JSON	jsonlint	18		0	0.24s
✅ JSON	v8r	20		0	28.87s
⚠️ MARKDOWN	markdownlint	265	0	272	31.72s
✅ MARKDOWN	markdown-table-formatter	265	0	0	139.23s
✅ OPENAPI	spectral	2		0	3.2s
⚠️ PYTHON	bandit	211		64	3.54s
✅ PYTHON	black	211	1	0	5.63s
✅ PYTHON	flake8	211		0	1.69s
✅ PYTHON	isort	211	1	0	1.24s
✅ PYTHON	mypy	211		0	18.97s
✅ PYTHON	pylint	211		0	16.68s
✅ PYTHON	ruff	211	1	0	0.68s
✅ REPOSITORY	checkov	yes		no	40.22s
✅ REPOSITORY	git_diff	yes		no	0.61s
⚠️ REPOSITORY	grype	yes		1	25.0s
✅ REPOSITORY	secretlint	yes		no	17.24s
✅ REPOSITORY	trivy	yes		no	20.95s
✅ REPOSITORY	trivy-sbom	yes		no	6.03s
⚠️ REPOSITORY	trufflehog	yes		1	7.29s
❌ SPELL	cspell	692		1	29.47s
⚠️ SPELL	lychee	345		1	10.37s
✅ XML	xmllint	3	0	0	0.66s
✅ YAML	prettier	161	0	0	6.26s
✅ YAML	v8r	102		0	190.66s
✅ YAML	yamllint	162		0	2.43s

See detailed report in MegaLinter reports

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[github-actions]

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