Update deprecated hast@1.0.0 dependency

[VelizarVESSELINOV]

Bug Description

Streamdown v1.6.10 uses deprecated hast@1.0.0.
Consider updating to @types/hast@3.x

Steps to Reproduce

npm add streamdown
WARN  1 deprecated subdependencies found: hast@1.0.0

Expected Behavior

No warning

Actual Behavior

npm add streamdown
WARN  1 deprecated subdependencies found: hast@1.0.0

Code Sample

Streamdown Version

1.6.10

React Version

19.2.3

Node.js Version

24.10.0

Browser(s)

Not applicable (Node.js)

Operating System

Windows

Additional Context

Environment Details
Node.js: v24.10.0
React: 19.2.3
React DOM: 19.2.3
Next.js: 16.1.1
pnpm: 10.26.0
streamdown: 1.6.10