Bump electron from 4.0.3 to 4.0.4

Bumps [electron](https://github.com/electron/electron) from 4.0.3 to 4.0.4.
- [Release notes](https://github.com/electron/electron/releases)
- [Commits](https://github.com/electron/electron/compare/v4.0.3...v4.0.4)

Signed-off-by: dependabot[bot] <support@dependabot.com>

package-lock.json

@@ -5,15 +5,15 @@
   "requires": true,
   "dependencies": {
     "@types/node": {
-      "version": "10.12.19",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.19.tgz",
-      "integrity": "sha512-2NVovndCjJQj6fUUn9jCgpP4WSqr+u1SoUZMZyJkhGeBFsm6dE46l31S7lPUYt9uQ28XI+ibrJA1f5XyH5HNtA==",
+      "version": "10.12.21",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.21.tgz",
+      "integrity": "sha512-CBgLNk4o3XMnqMc0rhb6lc77IwShMEglz05deDcn2lQxyXEZivfwgYJu7SMha9V5XcrP6qZuevTHV/QrN2vjKQ==",
       "dev": true
     },
     "ajv": {
-      "version": "6.7.0",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.7.0.tgz",
-      "integrity": "sha512-RZXPviBTtfmtka9n9sy1N5M5b82CbxWIR6HIis4s3WQTXDJamc/0gpCWNGz6EWdWp4DOfjzJfhz/AS9zVPjjWg==",
+      "version": "6.8.1",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.8.1.tgz",
+      "integrity": "sha512-eqxCp82P+JfqL683wwsL73XmFs1eG6qjw+RD3YHx+Jll1r0jNd4dh8QG9NYAeNGA/hnZjeEDgtTskgJULbxpWQ==",
       "dev": true,
       "requires": {
         "fast-deep-equal": "^2.0.1",
@@ -83,9 +83,9 @@
       "dev": true
     },
     "builtin-modules": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-3.0.0.tgz",
-      "integrity": "sha512-hMIeU4K2ilbXV6Uv93ZZ0Avg/M91RaKXucQ+4me2Do1txxBDyDZWCBa5bJSLqoNTRpXTLwEzIk1KmloenDDjhg==",
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/builtin-modules/-/builtin-modules-1.1.1.tgz",
+      "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
       "dev": true
     },
     "camelcase": {
@@ -231,9 +231,9 @@
       }
     },
     "electron": {
-      "version": "4.0.3",
-      "resolved": "https://registry.npmjs.org/electron/-/electron-4.0.3.tgz",
-      "integrity": "sha512-wOBYnlv3Xgbwh9DAHBktP3sQcbCBuXMQi1NzPH3EMnbdYNqj+FnTzVLq0RYp0uSzdjR3fhAZ/E6wFSMLaAc5iw==",
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/electron/-/electron-4.0.4.tgz",
+      "integrity": "sha512-zG5VtLrmPfmw1fXY/3BEtRZk7OZ7djQhweZ6rW+R5NeF6s8RTz/AwTGtLoBo4z8wmJ5QTy0Y941FZw4pe5YlpA==",
       "dev": true,
       "requires": {
         "@types/node": "^10.12.18",
@@ -466,12 +466,12 @@
       "dev": true
     },
     "is-builtin-module": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/is-builtin-module/-/is-builtin-module-3.0.0.tgz",
-      "integrity": "sha512-/93sDihsAD652hrMEbJGbMAVBf1qc96kyThHQ0CAOONHaE3aROLpTjDe4WQ5aoC5ITHFxEq1z8XqSU7km+8amw==",
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/is-builtin-module/-/is-builtin-module-1.0.0.tgz",
+      "integrity": "sha1-VAVy0096wxGfj3bDDLwbHgN6/74=",
       "dev": true,
       "requires": {
-        "builtin-modules": "^3.0.0"
+        "builtin-modules": "^1.0.0"
       }
     },
     "is-finite": {
@@ -653,13 +653,13 @@
       "dev": true
     },
     "normalize-package-data": {
-      "version": "2.4.1",
-      "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.4.1.tgz",
-      "integrity": "sha512-ZVuHxWJv1bopjv/SD5uPhgwUhLqxdJ+SsdUQbGR9HWlXrvnd/C08Cn9Bq48PbvX3y5V97GIpAHpL5Bk9BwChGg==",
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.4.2.tgz",
+      "integrity": "sha512-YcMnjqeoUckXTPKZSAsPjUPLxH85XotbpqK3w4RyCwdFQSU5FxxBys8buehkSfg0j9fKvV1hn7O0+8reEgkAiw==",
       "dev": true,
       "requires": {
         "hosted-git-info": "^2.1.4",
-        "is-builtin-module": "^3.0.0",
+        "is-builtin-module": "^1.0.0",
         "semver": "2 || 3 || 4 || 5",
         "validate-npm-package-license": "^3.0.1"
       }

package.json

@@ -17,6 +17,6 @@
   "author": "GitHub",
   "license": "CC0-1.0",
   "devDependencies": {
-    "electron": "^4.0.3"
+    "electron": "^4.0.4"
   }
 }