Update jQuery to v3.3.1

Close mmistakes#1491

CHANGELOG.md

@@ -1,5 +1,9 @@
 ## Unreleased
 
+### Enhancements
+
+* Update jQuery to version `3.3.1`. [#1491](https://github.com/mmistakes/minimal-mistakes/issues/1491)
+
 ### Bug Fixes
 
 * Focus Algolia search input after clicking on search toggle.

docs/_docs/18-history.md

@@ -4,12 +4,16 @@ permalink: /docs/history/
 excerpt: "Change log of enhancements and bug fixes made to the theme."
 sidebar:
   nav: docs
-last_modified_at: 2018-02-16T15:12:42-05:00
+last_modified_at: 2018-02-16T15:18:36-05:00
 toc: true
 ---
 
 ## Unreleased
 
+### Enhancements
+
+* Update jQuery to version `3.3.1`. [#1491](https://github.com/mmistakes/minimal-mistakes/issues/1491)
+
 ### Bug Fixes
 
 * Focus Algolia search input after clicking on search toggle.

package.json

@@ -23,7 +23,7 @@
   },
   "scripts": {
     "uglify":
-      "uglifyjs assets/js/vendor/jquery/jquery-3.2.1.min.js assets/js/plugins/jquery.fitvids.js assets/js/plugins/jquery.greedy-navigation.js assets/js/plugins/jquery.magnific-popup.js assets/js/plugins/jquery.smooth-scroll.min.js assets/js/_main.js -c -m -o assets/js/main.min.js",
+      "uglifyjs assets/js/vendor/jquery/jquery-3.3.1.min.js assets/js/plugins/jquery.fitvids.js assets/js/plugins/jquery.greedy-navigation.js assets/js/plugins/jquery.magnific-popup.js assets/js/plugins/jquery.smooth-scroll.min.js assets/js/_main.js -c -m -o assets/js/main.min.js",
     "add-banner": "node banner.js",
     "watch:js":
       "onchange \"assets/js/**/*.js\" -e \"assets/js/main.min.js\" -- npm run build:js",