Update project web-animations to 1.0.4

libgrabber updated project web-animations to 1.0.4.

@web-animations

### Metadata information

```json
{
  "metadata": {
    "packageManager": "github",
    "name": "web-animations",
    "repo": "web-animations/web-animations-js",
    "files": {
      "include": ["web-animations.min.js"],
      "exclude": []
    },
    "path": "/home/jsdelivr/files/web-animations",
    "localVersions": [],
    "remoteVersions": ["1.0.0", "1.0.1", "1.0.3", "1.0.4"],
    "branchVersions": []
  },
  "version": "1.0.4",
  "updated": true,
  "updatePath": "/home/jsdelivr/files/web-animations/1.0.4",
  "branch": "web-animations/1.0.4"
}
```