fix(md-renderer): update overflow for code-block

[peterjokumsen]

Summary

Updated style for code-block component, to use auto for overflow. To use scroll when content greater than current width, otherwise no scrollbar.

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## Related issues Fixes #120

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🦙 MegaLinter status: ⚠️ WARNING

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	7		0	0.19s
✅ COPYPASTE	jscpd	yes		no	1.81s
✅ EDITORCONFIG	editorconfig-checker	409		0	1.3s
✅ JSON	jsonlint	77		0	0.49s
✅ JSON	npm-package-json-lint	yes		no	0.7s
✅ JSON	prettier	77		0	4.27s
✅ JSON	v8r	77		0	120.13s
✅ MARKDOWN	markdownlint	21		0	0.99s
✅ MARKDOWN	markdown-link-check	34		0	9.26s
⚠️ MARKDOWN	markdown-table-formatter	34		1	0.26s
✅ REPOSITORY	checkov	yes		no	44.61s
✅ REPOSITORY	gitleaks	yes		no	1.41s
✅ REPOSITORY	git_diff	yes		no	0.08s
✅ REPOSITORY	secretlint	yes		no	1.67s
✅ REPOSITORY	trivy	yes		no	19.91s
✅ REPOSITORY	trivy-sbom	yes		no	3.27s
✅ REPOSITORY	trufflehog	yes		no	47.94s
✅ SPELL	cspell	411		0	6.5s
✅ XML	xmllint	3		0	0.01s
✅ YAML	prettier	14		0	2.25s
✅ YAML	v8r	14		0	12.6s
✅ YAML	yamllint	14		0	0.83s

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Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.63%. Comparing base (eebc506) to head (0887772).

Additional details and impacted files

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