Add more advice on file upload security

[DoctorJohn]

Description

This is just a small addition to the file upload docs, mentioning that file upload support is disabled by default and that enabling it requires some security considerations.

This section will be expanded once I finished implementing Strawberry's built-in CSRF protection.

Types of Changes

• Core
• Bugfix
• New feature
• Enhancement/optimization
• Documentation

Issues Fixed or Closed by This PR

• Fixes multipart upload struggle #3655

Summary by Sourcery

Update the file upload documentation to include security advice, emphasizing the need for CSRF protection when enabling multipart file uploads.

Documentation:

• Add a section on security considerations for file uploads, noting that multipart file upload support is disabled by default and requires enabling CSRF protection.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request adds important security information to the file upload documentation for Strawberry, a GraphQL library. It emphasizes that file upload support is disabled by default and provides guidance on enabling it securely.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Added a new 'Security' section to the file upload documentation	Mentioned that multipart file upload support is disabled by default Advised addressing security implications before enabling file uploads Recommended enabling CSRF protection in the server framework Provided instructions on how to enable file upload support	docs/guides/file-upload.md
Updated links and references in the 'Upload Scalar' section	Updated Django documentation links to use 'dev' version instead of '3.2' Updated Werkzeug documentation link to use 'latest' version instead of '2.0.x'	docs/guides/file-upload.md

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[sourcery-ai]

Hey @DoctorJohn - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[patrick91]

Thanks!