Update babel dependencies

package.json

@@ -30,13 +30,13 @@
     "webpack-prod": "NODE_OPTIONS=\"--max-old-space-size=3584\" NODE_ENV=production webpack --config config/webpack.config.js"
   },
   "dependencies": {
-    "@babel/core": "^7.5.5",
+    "@babel/core": "^7.6.2",
     "@babel/plugin-proposal-class-properties": "^7.5.5",
     "@babel/plugin-proposal-json-strings": "^7.2.0",
-    "@babel/plugin-proposal-private-methods": "^7.4.4",
+    "@babel/plugin-proposal-private-methods": "^7.6.0",
     "@babel/plugin-syntax-dynamic-import": "^7.2.0",
     "@babel/plugin-syntax-import-meta": "^7.2.0",
-    "@babel/preset-env": "^7.5.5",
+    "@babel/preset-env": "^7.6.2",
     "@gitlab/svgs": "^1.74.0",
     "@gitlab/ui": "5.26.0",
     "@gitlab/visual-review-tools": "1.0.3",
@@ -49,7 +49,7 @@
     "autosize": "^4.0.0",
     "aws-sdk": "^2.526.0",
     "axios": "^0.19.0",
-    "babel-loader": "^8.0.5",
+    "babel-loader": "^8.0.6",
     "bootstrap": "4.3.1",
     "brace-expansion": "^1.1.8",
     "cache-loader": "^2.0.1",
@@ -59,7 +59,7 @@
     "codesandbox-api": "^0.0.20",
     "compression-webpack-plugin": "^2.0.0",
     "copy-webpack-plugin": "^5.0.4",
-    "core-js": "^3.1.3",
+    "core-js": "^3.2.1",
     "cropper": "^2.3.0",
     "css-loader": "^1.0.0",
     "d3": "^4.13.0",