ci: add exporter to commit prefixes

Add the exporter to the list of commit prefixes

Signed-off-by: travisn <tnielsen@redhat.com>
(cherry picked from commit 96ff80f8b0)

.commitlintrc.json

@@ -15,6 +15,7 @@
         "core",
         "csi",
         "docs",
+        "exporter",
         "external",
         "file",
         "helm",

pkg/operator/k8sutil/prometheus.go

@@ -108,7 +108,7 @@ func DeleteServiceMonitor(context *clusterd.Context, ctx context.Context, ns str
 	}
 	_, err = client.MonitoringV1().ServiceMonitors(ns).Get(ctx, name, metav1.GetOptions{})
 	if err != nil {
-		// Either the service monitor does not exist or there are not privileges to detect it
+		// Either the service monitor does not exist or there are no privileges to detect it
 		// so we ignore any errors
 		return nil
 	}