Restart API also when run with Apache

Restarting services only considers those with the "panko-service" tag.
So add it to the Apache service.

Change-Id: Ica16ce2adaef0617c687f9e8ac658b1082732c1f

manifests/api.pp

@@ -136,7 +136,9 @@ class panko::api (
       tag    => ['panko-service', 'panko-db-sync-service'],
     }
     Class['panko::db'] -> Service[$service_name]
-    Service <| title == 'httpd' |> { tag +> 'panko-db-sync-service' }
+    Service <| title == 'httpd' |> {
+      tag +> ['panko-service', 'panko-db-sync-service']
+    }
 
     # we need to make sure panko-api/eventlet is stopped before trying to start apache
     Service['panko-api'] -> Service[$service_name]

releasenotes/notes/restart-apache-4f14dda1daf456d4.yaml

@@ -0,0 +1,4 @@
+---
+fixes:
+  - Deal with API being run using Apache when restarting the API (e.g. due to
+    configuration changes)