chore: fix mdn urls

Author: mdn-bot

webassembly/api/Global.json

@@ -94,6 +94,7 @@
         },
         "value": {
           "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/WebAssembly/Reference/JavaScript_interface/Global/value",
             "spec_url": "https://webassembly.github.io/spec/js-api/#dom-global-value",
             "tags": [
               "web-features:wasm"
@@ -137,6 +138,7 @@
         },
         "valueOf": {
           "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/WebAssembly/Reference/JavaScript_interface/Global/valueOf",
             "spec_url": "https://webassembly.github.io/spec/js-api/#dom-global-valueof",
             "tags": [
               "web-features:wasm"