Update project threejs to r69

libgrabber updated project threejs to r69.

@mrdoob

### Metadata information

```json
{
  "metadata": {
    "packageManager": "github",
    "name": "threejs",
    "repo": "mrdoob/three.js",
    "files": {
      "basePath": "build/",
      "include": ["**/*"],
      "exclude": []
    },
    "path": "/home/jsdelivr/files/threejs",
    "localVersions": ["0.0.0-r56", "0.0.0-r58", "0.0.0-r61", "0.0.0-r62", "0.0.0-r67"],
    "remoteVersions": ["r40", "r42", "r43", "r44", "r45", "r46", "r47", "r48", "r49", "r50", "r51", "r52", "r53", "r54", "r55", "r56", "r57", "r58", "r59", "r60", "r61", "r62", "r63", "r64", "r65", "r66", "r67", "r68", "r69"],
    "branchVersions": []
  },
  "version": "r69",
  "updated": true,
  "updatePath": "/home/jsdelivr/files/threejs/0.0.0-r69",
  "branch": "threejs/r69"
}
```