chore(deps): refresh pnpm lockfile (#17106)

## Summary
- Refreshes pnpm-lock.yaml to pick up latest transitive dependency
resolutions
- Ensures overrides from previous PRs are fully applied in the lockfile

## Related PRs
- #17095 - Added pnpm overrides for transitive vulnerabilities
- #17096 - Updated sass to 1.98.0
- #17097 - Updated @aws-sdk/client-s3 to 3.1015.0
- #17098 - Removed unused remark-prism

## Testing
- `pnpm install` completes successfully
- `pnpm build` passes
- `pnpm test` passes

Co-authored-by: Shannon Anahata <shannonanahata@gmail.com>

Author: sfanahata