update preset-env after build-data (#7543)

packages/babel-preset-env/data/built-in-modules.json

@@ -1,6 +1,7 @@
 {
   "es6.module": {
     "edge": "16",
+    "firefox": "60",
     "chrome": "61",
     "safari": "10.1",
     "ios_saf": "10.3"

packages/babel-preset-env/data/plugins.json

@@ -234,7 +234,8 @@
     "firefox": "55",
     "safari": "11.1",
     "node": "8.3",
-    "opera": "47"
+    "opera": "47",
+    "electron": "2"
   },
   "proposal-optional-catch-binding": {
     "chrome": "66",

packages/babel-preset-env/test/targets-parser.spec.js

@@ -87,6 +87,7 @@ describe("getTargets", () => {
         {
           chrome: "61.0.0",
           safari: "10.1.0",
+          firefox: "60.0.0",
           ios: "10.3.0",
           edge: "16.0.0",
         },
@@ -102,6 +103,7 @@ describe("getTargets", () => {
         {
           chrome: "61.0.0",
           safari: "10.1.0",
+          firefox: "60.0.0",
           ios: "10.3.0",
           edge: "16.0.0",
         },
@@ -117,6 +119,7 @@ describe("getTargets", () => {
         {
           chrome: "61.0.0",
           safari: "10.1.0",
+          firefox: "60.0.0",
           ios: "10.3.0",
           ie: "11.0.0",
           edge: "16.0.0",
@@ -137,6 +140,7 @@ describe("getTargets", () => {
           ios: "10.3.0",
           ie: "11.0.0",
           edge: "16.0.0",
+          firefox: "60.0.0",
         },
       );
     });