test: update nspawn's basic config file used for fuzzing

test/fuzz/fuzz-nspawn-settings/basic-config

@@ -1,6 +1,7 @@
 [Exec]
 Boot=off
 ProcessTwo=off
+Ephemeral=yes
 Parameters=/sbin/init -x=1
 Environment=THIS=that
 User=user
@@ -8,28 +9,56 @@ WorkingDirectory=/cwd
 PivotRoot=/newroot
 Capability=CAP_NET
 DropCapability=CAP_ADMIN
+AmbientCapability=CAP_SETUID
+NoNewPrivileges=yes
 KillSignal=SIGTERM
 Personality=shy
 MachineID=edbfea3309ba41ea83e2318c58a8d498
-PrivateUser=1:2
+PrivateUsers=1:2
 NotifyReady=no
 SystemCallFilters=write
+LimitCPU=10:20
+LimitFSIZE=5:10
+LimitDATA=100:200
+LimitSTACK=1024:2048
+LimitCore=0:1024
+LimitRSS=1024:4096
+LimitNOFILE=5:15
+LimitAS=2048:4096
+LimitNPROC=32:64
+LimitMEMLOCK=128:256
+LimitLOCKS=100:300
+LimitSIGPENDING=1:3
+LimitMSGQUEUE=16:32
+LimitNICE=4:5
+LimitRTPRIO=0:1
+LimitRTTIME=2:3
+OOMScoreAdjust=50
+CPUAffinity=1,2,3-4
+Hostname=foo.bar
+ResolvConf=copy-host
+Timezone=bind
+LinkJournal=try-guest
+SuppressSync=yes
 
 [Files]
 ReadOnly=no
 Volatile=no
 Bind=/bindthis
 BindReadOnly=/bindthisro
+BindUser=testuser
 TemporaryFileSystem=/thisismytmpfs:rw
+Inaccessible=yes
 Overlay=/thisisanoverlay:/thisisanoverlaytoo
-PrivateUsersChown=no
+OverlayReadOnly=/foo:/bar:/baz:/merged
+PrivateUsersOwnership=no
 
 [Network]
 Private=off
 VirtualEthernet=yes
 VirtualEthernetExtra=veth1:veth2
 Interface=eth1 enp0s1
-MacVLAN=eno1 eno2
+MACVLAN=eno1 eno2
 IPVLAN=eno3 enp2s124
 Bridge=bridge123 bridge125
 Zone=myzone