Updates dependencies

Author: eamodio

package-lock.json

@@ -4886,7 +4886,7 @@
         "css-loader": "2.1.0",
         "html-webpack-inline-source-plugin": "0.0.10",
         "html-webpack-plugin": "3.2.0",
-        "imagemin-webpack-plugin": "2.4.1",
+        "imagemin-webpack-plugin": "2.4.2",
         "mini-css-extract-plugin": "0.5.0",
         "node-sass": "4.11.0",
         "prettier": "1.16.4",
@@ -4898,9 +4898,9 @@
         "tslint-prettiest": "0.0.1",
         "ts-loader": "5.3.3",
         "typescript": "3.2.4",
-        "vsce": "1.55.0",
-        "vscode": "1.1.28",
-        "webpack": "4.29.1",
+        "vsce": "1.57.0",
+        "vscode": "1.1.29",
+        "webpack": "4.29.3",
         "webpack-cli": "3.2.3"
     }
 }