Bump @ddbeck/mdn-content-inventory from 0.2.20250902 to 0.2.20250903 (#27749)

Author: dependabot[bot]

package-lock.json

@@ -368,6 +368,7 @@
         },
         "verticalTabs": {
           "__compat": {
+            "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/API/browserSettings/verticalTabs",
             "support": {
               "chrome": {
                 "version_added": false