Update deps.

Author: na9da

package.json

@@ -75,13 +75,13 @@
     "react-dom": "^16.14.0",
     "redbox-react": "^1.3.6",
     "resolve-url-loader": "^5.0.0",
-    "sass": "^1.66.1",
+    "sass": "<1.80",
     "sass-loader": "^10",
     "semver": "^5.0.0",
     "style-loader": "^0.23.1",
     "svg-sprite-loader": "^6.0.11",
-    "terriajs": "8.7.5",
-    "terriajs-cesium": "8.0.0",
+    "terriajs": "8.7.8",
+    "terriajs-cesium": "8.0.1",
     "terriajs-plugin-api": "0.0.1-alpha.16",
     "terriajs-plugin-sample": "0.0.1-alpha.7",
     "ts-loader": "^5.3.3",