chore: pin the EE refresh and linking checks

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

backend/.sqlx/query-086866581c8f253a611d85cc9464e63767da94af0fcb6d660cd6fb0479b9a99d.json

@@ -0,0 +1,24 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT EXISTS(SELECT 1 FROM variable WHERE workspace_id = $1 AND path = $2 AND account = $3)",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "exists",
+        "type_info": "Bool"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Text",
+        "Text",
+        "Int4"
+      ]
+    },
+    "nullable": [
+      null
+    ]
+  },
+  "hash": "086866581c8f253a611d85cc9464e63767da94af0fcb6d660cd6fb0479b9a99d"
+}

backend/ee-repo-ref.txt

@@ -1 +1 @@
-b2f116e93b5658dcc47bcb84c130701701abcf7f
+0166523d7756018c9974f30f5e493cd90e0be4a0