conf(grep): Set deployment strategy

With the use of a block storage volume, a new pod can't start while the
old one is still running. Setting the strategy to Recreate for now to
allow deployments to happen.

Author: ssoriche

apps/grep/base/deployment.yaml

@@ -7,6 +7,8 @@ metadata:
     app: grep
 spec:
   replicas: 1
+  strategy:
+    type: Recreate
   selector:
     matchLabels:
       app: grep