[stable/2023.2] feat: add ovn_network_logging_parser support (#1563)

This is an automated cherry-pick of #1481
/assign mnaser
diff --git a/roles/ovn/vars/main.yml b/roles/ovn/vars/main.yml
index 59d9c20..603b4ed 100644
--- a/roles/ovn/vars/main.yml
+++ b/roles/ovn/vars/main.yml
@@ -35,3 +35,6 @@
       ovn_ovsdb_nb: 3
       ovn_ovsdb_sb: 3
       ovn_northd: 3
+    sidecars:
+      ovn_logging_parser: "{{ ovn_network_logging_parser_enabled }}"
+      vector: "{{ ovn_network_logging_parser_enabled }}"