Update webcodecs.json

Author: Schweinepriester

features-json/webcodecs.json

@@ -426,7 +426,7 @@
       "18.2":"a #1",
       "18.3":"a #1",
       "18.4":"a #1",
-      "TP":"a #1"
+      "TP":"y"
     },
     "opera":{
       "9":"n",