Update browser releases (#29579)

Author: mdn-bot

browsers/opera.json

@@ -970,19 +970,26 @@
         "130": {
           "release_date": "2026-04-08",
           "release_notes": "https://blogs.opera.com/desktop/2026/04/opera-130-stable/",
-          "status": "current",
+          "status": "retired",
           "engine": "Blink",
           "engine_version": "146"
         },
         "131": {
-          "status": "beta",
+          "release_date": "2026-04-29",
+          "release_notes": "https://blogs.opera.com/desktop/2026/04/opera-131-stable/",
+          "status": "current",
           "engine": "Blink",
           "engine_version": "147"
         },
         "132": {
-          "status": "nightly",
+          "status": "beta",
           "engine": "Blink",
           "engine_version": "148"
+        },
+        "133": {
+          "status": "nightly",
+          "engine": "Blink",
+          "engine_version": "149"
         }
       }
     }