Update data.json - add Pyrefly

We've got quite a few good first/second issues, and more are being created and closed daily.

data.json

@@ -1669,6 +1669,15 @@
             ],
             "description": "Ruby on Rails (Rails) is an open source web application framework written in Ruby."
         },
+        {
+            "name": "Pyrefly",
+            "link": "https://github.com/facebook/pyrefly",
+            "label": "good first issue",
+            "technologies": [
+                "Rust"
+            ],
+            "description": "A fast Python typechecker and IDE written in Rust."
+        },
         {
             "name": "Servo",
             "link": "https://github.com/servo/servo",