Merge pull request #3702 from plotly/fix3699-colorscale256

Bug fix colormap error for colorscales with length of 256

Author: archmoj

package-lock.json

@@ -78,15 +78,15 @@
     "gl-heatmap2d": "^1.0.5",
     "gl-line3d": "^1.1.11",
     "gl-mat4": "^1.2.0",
-    "gl-mesh3d": "^2.0.9",
+    "gl-mesh3d": "^2.0.10",
     "gl-plot2d": "^1.4.2",
     "gl-plot3d": "^2.2.1",
     "gl-pointcloud2d": "^1.0.2",
     "gl-scatter3d": "^1.2.1",
     "gl-select-box": "^1.0.3",
     "gl-spikes2d": "^1.0.2",
     "gl-streamtube3d": "^1.2.1",
-    "gl-surface3d": "^1.4.5",
+    "gl-surface3d": "^1.4.6",
     "gl-text": "^1.1.6",
     "glslify": "^7.0.0",
     "has-hover": "^1.0.1",