Update en.json (#19271)

Automatic Merge

i18n/en.json

@@ -9233,7 +9233,7 @@
   },
   {
     "id": "web.error.unsupported_browser.min_browser_version.firefox",
-    "translation": "Version 78+"
+    "translation": "Version 91+"
   },
   {
     "id": "web.error.unsupported_browser.min_browser_version.safari",
@@ -9245,7 +9245,7 @@
   },
   {
     "id": "web.error.unsupported_browser.min_os_version.windows",
-    "translation": "Windows 7+"
+    "translation": "Windows 8.1+"
   },
   {
     "id": "web.error.unsupported_browser.no_longer_support",