module -> monitor (#2924)

(cherry picked from commit b01e6ca)

Author: colleenmcginnis

docs/en/observability/synthetics-reference/lightweight-config/common.asciidoc

@@ -70,7 +70,7 @@ enabled
 ////////////////////////
 | [[monitor-enabled]] *`enabled`*
 (<<synthetics-lightweight-data-bool,boolean>>)
-a| Whether the module is enabled.
+a| Whether the monitor is enabled.
 
 *Default*: `true`