[Backport release/v0.17] [MAPS3D-865] Make line-emissive-strength data-driven (#8131)

Backport aac743c91adfe15e67295e27cc9ff4702d328d42 from #5075.

```
<public>
[Backport release/v0.17] [MAPS3D-865] Make line-emissive-strength data-driven (#8131)
</public>
```

[MAPS3D-865]:
https://mapbox.atlassian.net/browse/MAPS3D-865?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

Co-authored-by: Lasse Lammi <lasse.lammi@mapbox.com>
Co-authored-by: Changelog autocreator bot <actions@github.com>
Co-authored-by: Kirill Kediarov <kirill.kediarov@mapbox.com>
GitOrigin-RevId: 1ec83bf69e2ae9492706bc0144a51c9d7e3373fb

Author: 4 people

CHANGELOG.md

@@ -11,6 +11,7 @@ Mapbox welcomes participation and contributions from everyone.
 * Add `FillExtrusionLayer.castShadows` property.
 * Add `GeoJSONSource.minZoom` property.
 * Add `RasterArraySource.volatile` experimental property.
+* Make `line-emissive-strength` property data-driven.
 
 ## 11.17.0-beta.1 - 05 November, 2025