Fix new crate license symlink (#34922)

The license file is not properly linked to actual license. This was
casued due to new-crate script linking the license to wrong file. Fixed
both of them.

Reference logs:

```
2025-07-22T17:16:19+05:30 ERROR [worktree] error reading target of symlink "/Users/umesh/code/zed/crates/onboarding/LICENSE-GPL": canonicalizing
```

Release Notes:

- N/A
f3c332d839Umesh Yadav committed on 7/22/2025, 7:46:25 PM· committed by GitHubparent446d333
2 files changedLine totals unavailable