testdata/codegen: regenerate

Fixes errorcontext to error-context.

Author: ydnar

testdata/codegen/conventions.wit.json

@@ -85,7 +85,7 @@
           "params": [],
           "results": [],
           "docs": {
-            "contents": "Comment out identifiers that collide when mapped to snake_case, for now; see\nhttps://github.com/WebAssembly/component-model/issues/118\nAPPLE: func()\nAPPLE-pear-GRAPE: func()\napple-PEAR-grape: func()"
+            "contents": " Comment out identifiers that collide when mapped to snake_case, for now; see\n https://github.com/WebAssembly/component-model/issues/118\nAPPLE: func()\nAPPLE-pear-GRAPE: func()\napple-PEAR-grape: func()"
           }
         },
         "explicit": {

testdata/codegen/error-context.wit.json

@@ -56,14 +56,14 @@
   "types": [
     {
       "name": "foo",
-      "kind": "errorcontext",
+      "kind": "error-context",
       "owner": {
         "interface": 0
       }
     },
     {
       "name": null,
-      "kind": "errorcontext",
+      "kind": "error-context",
       "owner": null
     },
     {