sandbox-sdk: backup api improvements to include / exclude files

[whoiskatrin]

Proposed changes

we would need to add and amend existing docs based on cloudflare/sandbox-sdk#437

Subject Matter

sandbox-sdk

Content Location

sandbox-sdk

Additional information

No response

[whoiskatrin]

/bonk can you please update the documentation based on cloudflare/sandbox-sdk#437 PR?

[ask-bonk]

Created PR #28761

github run

[github-actions]

Hey there, we've marked this issue as stale because there's no recent activity on it. This label helps us identify long-standing issues in our repo (and not used to auto-close issues).