bump version to 3.9.16

Author: eramdam

package.json

@@ -1,7 +1,7 @@
 {
   "name": "BetterTweetDeck",
-  "version": "3.9.15",
-  "extension_version": "3.9.15",
+  "version": "3.9.16",
+  "extension_version": "3.9.16",
   "description": "Adds some nice options on TweetDeck to provide a better experience on the webapp when used on Chrome.",
   "repository": {
     "type": "git",
@@ -96,4 +96,4 @@
     "stylelint-config-standard": "^18.2.0",
     "ws": "^5.1.1"
   }
-}
+}