build: Use vorburger/pages-preview instead of EndBug/pages-preview

[vorburger]

see EndBug/pages-preview#20

pending EndBug/pages-preview#21

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	1		0	0.04s
✅ COPYPASTE	jscpd	yes		no	1.43s
✅ EDITORCONFIG	editorconfig-checker	1		0	0.01s
✅ REPOSITORY	checkov	yes		no	9.95s
✅ REPOSITORY	gitleaks	yes		no	0.29s
✅ REPOSITORY	git_diff	yes		no	0.0s
✅ REPOSITORY	grype	yes		no	15.82s
✅ REPOSITORY	kics	yes		no	30.82s
✅ REPOSITORY	secretlint	yes		no	0.67s
✅ REPOSITORY	trivy	yes		no	4.29s
✅ REPOSITORY	trivy-sbom	yes		no	2.01s
✅ REPOSITORY	trufflehog	yes		no	4.57s
✅ YAML	prettier	1	0	0	0.45s
✅ YAML	v8r	1		0	1.94s
✅ YAML	yamllint	1		0	0.42s

See detailed report in MegaLinter reports
Set VALIDATE_ALL_CODEBASE: true in mega-linter.yml to validate all sources, not only the diff

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