roachprod: fix node url parsing issue

Passing node url without quoting it causes issues in parsing
it and results in ignoring some parameters.

This patch fixes this by quoting node url.

Release note: None

pkg/cmd/roachtest/cluster.go

@@ -2096,6 +2096,9 @@ func (c *clusterImpl) pgURLErr(
 	if err != nil {
 		return nil, err
 	}
+	for i, url := range urls {
+		urls[i] = strings.Trim(url, "'")
+	}
 	return urls, nil
 }
 

pkg/roachprod/install/cockroach.go

@@ -218,7 +218,7 @@ func (c *SyncedCluster) NodeURL(host string, port int) string {
 		v.Add("sslmode", "disable")
 	}
 	u.RawQuery = v.Encode()
-	return u.String()
+	return "'" + u.String() + "'"
 }
 
 // NodePort returns the SQL port for the given node.