update sqlx dep to 0.7

.sqlx/query-37443376215969e31bc6bc1ee00f01044647d95caf8efc61df7bf333b6a2149d.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "\n            UPDATE tasks\n            SET completed = NOT completed\n            WHERE id = $1\n            ",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 1
+    },
+    "nullable": []
+  },
+  "hash": "37443376215969e31bc6bc1ee00f01044647d95caf8efc61df7bf333b6a2149d"
+}