Fix self referencing anchors should cause error

[ChristopherHX]

No description provided.

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Warnings	Elapsed time
✅ EDITORCONFIG	editorconfig-checker	2		0	0	0.17s
✅ REPOSITORY	gitleaks	yes		no	no	2.19s
✅ REPOSITORY	git_diff	yes		no	no	0.01s
✅ REPOSITORY	grype	yes		no	no	25.07s
✅ REPOSITORY	secretlint	yes		no	no	1.23s
✅ REPOSITORY	syft	yes		no	no	1.37s
✅ REPOSITORY	trivy-sbom	yes		no	no	3.03s
✅ REPOSITORY	trufflehog	yes		no	no	4.43s

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

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Files with missing lines	Coverage Δ
pkg/model/anchors.go	100.00% <100.00%> (ø)

... and 15 files with indirect coverage changes

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