Update browser releases (mdn#28706)

Author: mdn-bot

browsers/bun.json

@@ -762,6 +762,13 @@
         "1.3.4": {
           "release_date": "2025-12-07",
           "release_notes": "https://bun.com/blog/release-notes/bun-v1.3.4",
+          "status": "retired",
+          "engine": "WebKit",
+          "engine_version": "623.1.7"
+        },
+        "1.3.5": {
+          "release_date": "2025-12-17",
+          "release_notes": "https://bun.com/blog/release-notes/bun-v1.3.5",
           "status": "current",
           "engine": "WebKit",
           "engine_version": "623.1.7"