Add OP Retro Funding round 7 verification (#1053)

Author: Pabl0cks

funding.json

@@ -0,0 +1,5 @@
+{
+  "opRetro": {
+    "projectId": "0x154a42e5ca88d7c2732fda74d6eb611057fc88dbe6f0ff3aae7b89c2cd1666ab"
+  }
+}