Fix missing json filter to support salt v2019.2

See salt issues #48309 #51925

linux/network/dpdk.sls

 
 linux_dpdk_pkgs:
   pkg.installed:
-  - pkgs: {{ network.dpdk_pkgs }}
+  - pkgs: {{ network.dpdk_pkgs | json }}
 
 linux_dpdk_kernel_module:
   kmod.present:

linux/network/interface.sls

 linux_network_bridge_pkgs:
   pkg.installed:
   {%- if network.bridge == 'openvswitch' %}
-  - pkgs: {{ network.ovs_pkgs }}
+  - pkgs: {{ network.ovs_pkgs | json }}
   {%- else %}
-  - pkgs: {{ network.bridge_pkgs }}
+  - pkgs: {{ network.bridge_pkgs | json }}
   {%- endif %}
 
 {%- endif %}
 
 linux_network_packages:
   pkg.installed:
-  - pkgs: {{ network.pkgs }}
+  - pkgs: {{ network.pkgs | json }}
 
 /etc/netctl/network_{{ interface.wireless.essid }}:
   file.managed:

linux/network/openvswitch.sls

 
 openvswitch_pkgs:
   pkg.installed:
-    - pkgs: {{ network.ovs_pkgs }}
+    - pkgs: {{ network.ovs_pkgs | json }}
 
 /etc/default/openvswitch-switch:
   file.managed:

linux/storage/lvm.sls

 
 linux_lvm_pkgs:
   pkg.installed:
-  - pkgs: {{ storage.lvm_pkgs }}
+  - pkgs: {{ storage.lvm_pkgs | json }}
 
 
 /etc/lvm/lvm.conf:

linux/storage/mount.sls

 {%- if mount.file_system == 'nfs' %}
 linux_storage_nfs_packages:
   pkg.installed:
-  - pkgs: {{ storage.nfs.pkgs }}
+  - pkgs: {{ storage.nfs.pkgs | json }}
 {%- endif %}
 
 {{ mount.path }}:

linux/storage/multipath.sls

 
 linux_storage_multipath_packages:
   pkg.installed:
-  - pkgs: {{ storage.multipath.pkgs }}
+  - pkgs: {{ storage.multipath.pkgs | json }}
 
 linux_storage_multipath_config:
   file.managed:

linux/system/auth.sls

 
 linux_auth_ldap_packages:
   pkg.installed:
-  - pkgs: {{ ldap.pkgs }}
+  - pkgs: {{ ldap.pkgs | json }}
 
 linux_auth_nslcd_config_file:
   file.managed:

linux/system/autoupdates.sls

 {%- if system.autoupdates.pkgs %}
 linux_autoupdates_packages:
   pkg.installed:
-  - pkgs: {{ system.autoupdates.pkgs }}
+  - pkgs: {{ system.autoupdates.pkgs | json }}
 {%- endif %}
 
 {%- if grains.os_family == 'Debian' %}

linux/system/package.sls

   {%- if pkgs %}
 linux_extra_packages_{{ pkgs_group }}:
   pkg.{{ pkgs_group }}:
-    - pkgs: {{ pkgs }}
+    - pkgs: {{ pkgs | json }}
   {%- endif %}
 {%- endfor %}
 

linux/system/repo.sls

   {% if system.pkgs %}
 linux_repo_prereq_pkgs:
   pkg.installed:
-  - pkgs: {{ system.pkgs }}
+  - pkgs: {{ system.pkgs | json }}
   {%- endif %}
 
   # global proxy setup