Tell Apache to place mutexes into /run/apache2 too

Signed-off-by: Andrej Shadura <andrew.shadura@collabora.co.uk>

chart/templates/configmap-publish.yaml

@@ -8,6 +8,7 @@ data:
   httpd.conf: |
     ServerRoot "/usr/local/apache2"
     Listen 8000
+    Mutex file:/run/apache2
 
     {{ .Values.publish.config.before_modules | indent 4 }}
     {{ .Values.publish.config.modules | indent 4 }}