Set DatasourceName and DatasourceType in proxy.Options (#80923)

* Set DatasourceName and DatasourceType in proxy.Options

* upgrade github.com/grafana/grafana-plugin-sdk-go to v0.206.0 and fix merge conflicts

pkg/tsdb/grafana-postgresql-datasource/postgres_test.go

@@ -212,7 +212,7 @@ func TestIntegrationPostgres(t *testing.T) {
 
 	cnnstr := postgresTestDBConnString()
 
-	db, exe, err := newPostgres(cfg, dsInfo, cnnstr, logger)
+	db, exe, err := newPostgres(cfg, dsInfo, cnnstr, logger, backend.DataSourceInstanceSettings{})
 
 	require.NoError(t, err)
 
@@ -1268,7 +1268,7 @@ func TestIntegrationPostgres(t *testing.T) {
 			dsInfo := sqleng.DataSourceInfo{}
 			conf := setting.NewCfg()
 			conf.DataProxyRowLimit = 1
-			_, handler, err := newPostgres(conf, dsInfo, cnnstr, logger)
+			_, handler, err := newPostgres(conf, dsInfo, cnnstr, logger, backend.DataSourceInstanceSettings{})
 
 			require.NoError(t, err)