Fix capability names for synapse-admin

roles/matrix-synapse-admin/templates/systemd/matrix-synapse-admin.service.j2

@@ -17,10 +17,10 @@ ExecStartPre=-{{ matrix_host_command_docker }} rm matrix-synapse-admin
 ExecStart={{ matrix_host_command_docker }} run --rm --name matrix-synapse-admin \
 			--log-driver=none \
 			--cap-drop=ALL \
-			--cap-add=CAP_CHOWN \
-			--cap-add=CAP_NET_BIND_SERVICE \
-			--cap-add=CAP_SETUID \
-			--cap-add=CAP_SETGID \
+			--cap-add=CHOWN \
+			--cap-add=NET_BIND_SERVICE \
+			--cap-add=SETUID \
+			--cap-add=SETGID \
 			--network={{ matrix_docker_network }} \
 			{% if matrix_synapse_admin_container_http_host_bind_port %}
 			-p {{ matrix_synapse_admin_container_http_host_bind_port }}:80 \