TT#45478 Update kernel.core_pattern check for Debian/buster support

As of systemd v238 the kernel.core_pattern for
sytemd-coredump includes the hostname as well,
see systemd.git commit:

| commit f45b8015513d38ee5f7cc361db9c5b88c9aae704
| Author: Jakub Filak <jakub@thefilaks.net>
| Date:   Thu Feb 15 12:12:46 2018 +0100
|
|     coredump: accept hostname on command line (#8033)

Change-Id: Iac7a1723cac72848518f6eafe72c2cc2687d36a1

templates/610_kernel-sysctl-params.yaml.tt2

@@ -4,7 +4,11 @@ kernel-param:
     value: "1"
 
   kernel.core_pattern:
+{{if eq .Env.DEBIAN_RELEASE "10"}}
+    value: "|/lib/systemd/systemd-coredump %P %u %g %s %t 9223372036854775808 %h %e"
+{{else}}
     value: "|/lib/systemd/systemd-coredump %P %u %g %s %t 9223372036854775808 %e"
+{{end}}
 
   fs.suid_dumpable:
     value: "2"