chore: update package-lock.json with updated version number

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "electron",
-  "version": "3.1.6",
+  "version": "3.1.7",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -156,6 +156,7 @@
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
       "requires": {
         "kind-of": "^3.0.2",
         "longest": "^1.0.1",
@@ -1885,7 +1886,8 @@
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/cssom/-/cssom-0.3.2.tgz",
       "integrity": "sha1-uANhcMefB6kP8vFuIihAJ6JDhIs=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "cssstyle": {
       "version": "0.2.37",
@@ -5529,7 +5531,8 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
       "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "longest-streak": {
       "version": "2.0.2",