chore: upgrade visibilityjs to 2.0.2

Signed-off-by: BoHong Li <raccoon@hackmd.io>

Author: a60814billy

package.json

@@ -139,7 +139,7 @@
     "uuid": "~3.3.2",
     "validator": "~11.1.0",
     "velocity-animate": "~1.5.2",
-    "visibilityjs": "~1.2.4",
+    "visibilityjs": "~2.0.2",
     "viz.js": "~1.7.0",
     "winston": "~3.2.1",
     "ws": "~6.0.0",

yarn.lock

@@ -13143,10 +13143,10 @@ vinyl@^2.0.0, vinyl@^2.1.0, vinyl@^2.2.0:
     remove-trailing-separator "^1.0.1"
     replace-ext "^1.0.0"
 
-visibilityjs@~1.2.4:
-  version "1.2.8"
-  resolved "https://registry.yarnpkg.com/visibilityjs/-/visibilityjs-1.2.8.tgz#4ccdcebdaef0b34fb89219ab8e10e39c3a7cbfd8"
-  integrity sha512-Y+aL3OUX88b+/VSmkmC2ApuLbf0grzbNLpCfIDSw3BzTU6PqcPsdgIOaw8b+eZoy+DdQqnVN3y/Evow9vQq9Ig==
+visibilityjs@~2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/visibilityjs/-/visibilityjs-2.0.2.tgz#d7c466e922024bb6c413d2136d5567e71f5fdc2f"
+  integrity sha512-y5sN5oGvuXXcK6s8WupOymRcqEss7kusojpScRqkT+cTCIFjul+06uSMDPMByN9DIBv/sUUnvV8BplKjqelAfw==
 
 viz.js@~1.7.0:
   version "1.7.1"