Fix C lint errors in `@stdlib/stats/base/scumax`

-   File: `lib/node_modules/@stdlib/stats/base/scumax/examples/c/example.c`
-   Line: 26

### Code 

```c
float x[] = { 1.0, 2.0, -3.0, 4.0, -5.0, 6.0, 7.0, 8.0 };
```

### Lint Error

```plaintext
style: Variable 'x' can be declared as const array [constVariable]
```

Workflow Run: [2861/job/33171676944](https://github.com/stdlib-js/stdlib/actions/runs/11903872861/job/33171676944)