#2317 Update plugins: Flickity

plugins_public/flickity/flickity.css

@@ -1,4 +1,4 @@
-/*! Flickity v2.1.2
+/*! Flickity v2.2.1
 https://flickity.metafizzy.co
 ---------------------------------------------- */
 
@@ -24,7 +24,6 @@ https://flickity.metafizzy.co
 
 .flickity-enabled.is-draggable {
   -webkit-tap-highlight-color: transparent;
-          tap-highlight-color: transparent;
   -webkit-user-select: none;
      -moz-user-select: none;
       -ms-user-select: none;
@@ -73,7 +72,7 @@ https://flickity.metafizzy.co
 }
 
 .flickity-button-icon {
-  fill: #333;
+  fill: currentColor;
 }
 
 /* ---- previous/next buttons ---- */