feat(sqlx): add prepared statements

.sqlx/query-50a914fac9783ac8afb0305f6225680017d32a0dd95932ddb736d7df3ca31550.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "INSERT OR REPLACE INTO RelayLabels (relay_id, label) VALUES (?1, ?2)",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 2
+    },
+    "nullable": []
+  },
+  "hash": "50a914fac9783ac8afb0305f6225680017d32a0dd95932ddb736d7df3ca31550"
+}