Update metadata.json

source/megengine-metadata.json

@@ -1827,7 +1827,7 @@
     "attributes": [
       { "name": "self" }
     ],
-    "category": "Shape",
+    "category": "Transform",
     "varargs": "args"
   },
   {

source/mxnet-metadata.json

@@ -577,6 +577,7 @@
   },
   {
     "name": "transpose",
+    "category": "Transform",
     "inputs": [
       { "name": "input" }
     ],

source/om-metadata.json

@@ -2951,7 +2951,7 @@
   },
   {
     "name": "Transpose",
-    "category": "Shape",
+    "category": "Transform",
     "inputs": [
       { "name": "x" },
       { "name": "w" }