Deprecate SCSSLINT as not maintained anymore

[nvuillam]

See https://github.com/sds/scss-lint#notice-consider-other-tools-before-adopting-scss-lint

Fixes #2840

[github-actions]

🦙 MegaLinter status: ❌ ERROR

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ BASH	bash-exec	5		0	0.04s
✅ BASH	shellcheck	5		0	0.12s
✅ BASH	shfmt	5	0	0	0.41s
✅ COPYPASTE	jscpd	yes		no	4.37s
✅ DOCKERFILE	hadolint	123		0	22.46s
✅ JSON	eslint-plugin-jsonc	23	0	0	3.98s
✅ JSON	jsonlint	21		0	0.29s
✅ JSON	v8r	23		0	17.0s
✅ MAKEFILE	checkmake	1		0	0.0s
⚠️ MARKDOWN	markdownlint	255	2	254	35.77s
✅ MARKDOWN	markdown-link-check	255		0	6.31s
✅ MARKDOWN	markdown-table-formatter	255	2	0	31.97s
✅ OPENAPI	spectral	1		0	1.69s
⚠️ PYTHON	bandit	200		61	2.94s
✅ PYTHON	black	200	0	0	6.41s
✅ PYTHON	flake8	200		0	2.64s
✅ PYTHON	isort	200	0	0	1.06s
✅ PYTHON	mypy	200		0	14.97s
✅ PYTHON	pylint	200		0	17.01s
⚠️ PYTHON	pyright	200		342	26.84s
✅ PYTHON	ruff	200	0	0	0.49s
✅ REPOSITORY	checkov	yes		no	43.06s
✅ REPOSITORY	git_diff	yes		no	0.49s
⚠️ REPOSITORY	grype	yes		1	12.57s
✅ REPOSITORY	secretlint	yes		no	12.43s
✅ REPOSITORY	trivy	yes		no	31.06s
✅ REPOSITORY	trivy-sbom	yes		no	1.48s
❌ SPELL	cspell	665		1	35.34s
✅ SPELL	lychee	335		0	5.73s
✅ XML	xmllint	3	0	0	0.45s
✅ YAML	prettier	160	0	0	6.12s
✅ YAML	v8r	102		0	196.04s
✅ YAML	yamllint	161		0	1.94s

See detailed report in MegaLinter reports

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[github-actions]

🦙 MegaLinter status: ⚠️ WARNING

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ BASH	bash-exec	5		0	0.01s
✅ BASH	shellcheck	5		0	0.09s
✅ BASH	shfmt	5	0	0	0.37s
✅ COPYPASTE	jscpd	yes		no	3.49s
✅ DOCKERFILE	hadolint	123		0	17.19s
✅ JSON	eslint-plugin-jsonc	23	0	0	2.35s
✅ JSON	jsonlint	21		0	0.22s
✅ JSON	v8r	23		0	14.16s
✅ MAKEFILE	checkmake	1		0	0.01s
⚠️ MARKDOWN	markdownlint	255	0	254	28.78s
✅ MARKDOWN	markdown-link-check	255		0	5.76s
✅ MARKDOWN	markdown-table-formatter	255	0	0	29.11s
✅ OPENAPI	spectral	1		0	1.31s
⚠️ PYTHON	bandit	200		61	2.33s
✅ PYTHON	black	200	0	0	5.4s
✅ PYTHON	flake8	200		0	2.14s
✅ PYTHON	isort	200	0	0	0.85s
✅ PYTHON	mypy	200		0	10.99s
✅ PYTHON	pylint	200		0	13.39s
⚠️ PYTHON	pyright	200		342	20.79s
✅ PYTHON	ruff	200	0	0	0.46s
✅ REPOSITORY	checkov	yes		no	34.76s
✅ REPOSITORY	git_diff	yes		no	0.36s
⚠️ REPOSITORY	grype	yes		1	11.57s
✅ REPOSITORY	secretlint	yes		no	11.33s
✅ REPOSITORY	trivy	yes		no	25.58s
✅ REPOSITORY	trivy-sbom	yes		no	1.09s
✅ SPELL	cspell	665		0	24.53s
✅ SPELL	lychee	335		0	5.8s
✅ XML	xmllint	3	0	0	0.37s
✅ YAML	prettier	160	0	0	4.32s
✅ YAML	v8r	102		0	159.96s
✅ YAML	yamllint	161		0	1.53s

See detailed report in MegaLinter reports

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