fix: add put allowed in datasource.json (#1098)

Author: ckbedwell

src/datasource/plugin.json

@@ -53,6 +53,18 @@
         }
       ]
     },
+    {
+      "path": "sm",
+      "method": "PUT",
+      "url": "{{.JsonData.apiHost}}/api/v1/",
+      "reqAction": "grafana-synthetic-monitoring-app:write",
+      "headers": [
+        {
+          "name": "Authorization",
+          "content": "Bearer {{.SecureJsonData.accessToken}}"
+        }
+      ]
+    },
     {
       "path": "sm",
       "method": "DELETE",