Convert action to ESM

[ncalteen]

This PR converts the action to ESM syntax. This change is beneficial because it updates the action to use the latest ECMAScript module syntax, which is more modern and aligns with current best practices.

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	5		0	0.04s
✅ JSON	jsonlint	5		0	0.16s
✅ JSON	npm-package-json-lint	yes		no	0.52s
✅ JSON	prettier	5		0	0.8s
✅ JSON	v8r	5		0	17.89s
✅ MARKDOWN	markdownlint	1		0	0.36s
✅ MARKDOWN	markdown-link-check	1		0	2.47s
✅ REPOSITORY	checkov	yes		no	12.2s
✅ REPOSITORY	gitleaks	yes		no	0.45s
✅ REPOSITORY	git_diff	yes		no	0.15s
✅ REPOSITORY	grype	yes		no	13.43s
✅ REPOSITORY	secretlint	yes		no	1.16s
✅ REPOSITORY	trivy	yes		no	7.55s
✅ REPOSITORY	trivy-sbom	yes		no	1.49s
✅ REPOSITORY	trufflehog	yes		no	14.58s
✅ TYPESCRIPT	eslint	10		0	10.65s
✅ TYPESCRIPT	prettier	10		0	1.73s
✅ YAML	prettier	14		0	0.87s
✅ YAML	v8r	14		0	19.26s
✅ YAML	yamllint	14		0	0.95s

See detailed report in MegaLinter reports

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