fix: update babel packages

Signed-off-by: Mike Murray <hellomikemurray@gmail.com>

package/package.json

@@ -34,20 +34,20 @@
     "react-select": "~2.4.0"
   },
   "devDependencies": {
-    "@babel/cli": "~7.2.3",
-    "@babel/core": "~7.2.2",
-    "@babel/node": "~7.2.2",
-    "@babel/plugin-proposal-class-properties": "~7.3.0",
-    "@babel/plugin-proposal-decorators": "~7.3.0",
+    "@babel/cli": "~7.5.5",
+    "@babel/core": "~7.5.5",
+    "@babel/node": "~7.5.5",
+    "@babel/plugin-proposal-class-properties": "~7.5.5",
+    "@babel/plugin-proposal-decorators": "~7.4.4",
     "@babel/plugin-proposal-export-namespace-from": "~7.2.0",
     "@babel/plugin-proposal-function-sent": "~7.2.0",
     "@babel/plugin-proposal-json-strings": "~7.2.0",
     "@babel/plugin-proposal-numeric-separator": "~7.2.0",
     "@babel/plugin-proposal-throw-expressions": "~7.2.0",
     "@babel/plugin-syntax-dynamic-import": "~7.2.0",
     "@babel/plugin-syntax-import-meta": "~7.2.0",
-    "@babel/plugin-transform-runtime": "~7.2.0",
-    "@babel/preset-env": "~7.3.1",
+    "@babel/plugin-transform-runtime": "~7.5.5",
+    "@babel/preset-env": "~7.5.5",
     "@babel/preset-react": "~7.0.0",
     "@reactioncommerce/eslint-config": "~1.9.0",
     "autoprefixer": "~7.1.6",