refactor: updated pnpm

[mfranzke]

Proposed changes

updating pnpm and running pnpm audit --fix=override

Checklist

Code Quality

• I have reviewed my own code (self-review), including the screen- and snapshots
• I have reviewed my changes locally with an AI assistant (e.g. GitHub Copilot, Kiro, etc.)
• No hardcoded values, magic numbers, or debug code left in

Validation

• I have added/updated tests that cover my changes
• I have tested across all relevant frameworks (React, Angular, Vue) if applicable

General

• The PR title follows the conventional commits format (e.g. feat:, fix:, chore:), as in Git Commit Conventions
• If architecture, structure, or conventions changed inside a packages/* folder, the corresponding AGENTS.md has been updated

🔭🐙🐈 Test this branch here: https://design-system.deutschebahn.com/core-web/review/refactor-updated-pnpm

[changeset-bot]

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Latest commit: b2b6184

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