refactor: replaced legacy node fs methods

[mfranzke]

Proposed changes

prevent DeprecationWarning:

DeprecationWarning: In future versions of Node.js, fs.rmdir(path, { recursive: true }) will be removed. Use fs.rm(path, { recursive: true }) instead

additional information: https://nodejs.org/api/deprecations.html#dep0147-fsrmdirpath--recursive-true-

Types of changes

• Bugfix (non-breaking change that fixes an issue)
• New feature (non-breaking change which adds functionality)
• Refactoring (improvements to existing components or architectural decisions)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Further comments

🔭🐙🐈 Test this branch here: https://db-ux-design-system.github.io/core-web/review/refactor-replaced-legacy-node-fs-methods

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