chore(deps): upgrade form-data to latest version

[rohanshrma222]

Pull Request Checklist

Please ensure that your PR meets the following requirements:

• I have read the CONTRIBUTING (CONTRIBUTING.md) guide.
• I have updated the documentation (if applicable). -- N/A
• My code follows the style guidelines of this project.
• I have performed a self-review of my own code.
• I have added tests that prove my fix is effective or that my feature works. -- N/A, this is a dependency bump
• New and existing unit tests pass locally with my changes.

Description

form-data was outdated (4.0.4) in packages/n8n-nodes-moss/package-lock.json, pulled in transitively via n8n-workflow@2.16.0, which pins it to that exact version. Since n8n-workflow is declared as * (any version) and bumping the whole n8n-workflow package is out of scope here, I added "form-data": "^4.0.6" to the existing overrides block in package.json (the same mechanism already used there for lodash) and regenerated the lockfile with npm install.

Checked the other lockfile referencing form-data (apps/moss-vscode/package-lock.json) — it already resolves to the latest 4.0.6 via @vscode/vsce's ^4.0.0 range, so no change was needed there.

Verified npm run typecheck and npm test pass in packages/n8n-nodes-moss, and confirmed via npm ls form-data that only a single deduped 4.0.6 instance is installed (no duplicate/nested copies introduced).

Fixes #468

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update -- No, N/A (dependency-only change)

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