docs: fix link in grafana doc (#22489)

"...releases/tag/latest" should be "...releases/latest", which will automatically redirect to "...releases/tag/<latest-version>"

docs/en/20-third-party/01-grafana.mdx

@@ -74,7 +74,7 @@ grafana-cli plugins install tdengine-datasource
 sudo -u grafana grafana-cli plugins install tdengine-datasource
 ```
 
-You can also download zip files from [GitHub](https://github.com/taosdata/grafanaplugin/releases/tag/latest) or [Grafana](https://grafana.com/grafana/plugins/tdengine-datasource/?tab=installation) and install manually. The commands are as follows:
+You can also download zip files from [GitHub](https://github.com/taosdata/grafanaplugin/releases/latest) or [Grafana](https://grafana.com/grafana/plugins/tdengine-datasource/?tab=installation) and install manually. The commands are as follows:
 
 ```bash
 GF_VERSION=3.3.1