Upgrade to sqlx 0.7.2 (#736)

* Update to sqlx 0.7.2

* Somehow missed one (and remove queries from other branch)

.sqlx/query-796f057ea8eb5b01d3eedeee9840fb37464ea567f32871953fb07e14ed86af1c.json

@@ -0,0 +1,23 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT EXISTS(SELECT 1 FROM team_members WHERE team_id = $1 AND user_id = $2)",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "exists",
+        "type_info": "Bool"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Int8",
+        "Int8"
+      ]
+    },
+    "nullable": [
+      null
+    ]
+  },
+  "hash": "796f057ea8eb5b01d3eedeee9840fb37464ea567f32871953fb07e14ed86af1c"
+}