config: Increase url max length for http queries

Resolves issue with Elastic Comrade which was getting 400 too_long_frame_exception
error when querying ES nodes.

Signed-off-by: markoburcul <marko@status.im>

templates/config/elasticsearch.yml.j2

@@ -6,6 +6,7 @@ network.publish_host: "{{ ansible_local.wireguard.vpn_ip }}"
 transport.profiles.default.port: {{ es_node_port | mandatory }}
 xpack.security.enabled: false
 path.repo: "/var/backup"
+http.max_initial_line_length: 16kB
 
 # Cluster config
 cluster.name: "{{ es_cluster_name | mandatory }}"