[Synthetics] Added the property labels to synthetics docs (elastic#222538)

Added the property labels to synthetics docs

---------

Co-authored-by: kibanamachine <[email protected]>

Author: 2 people

oas_docs/output/kibana.yaml

@@ -81686,6 +81686,12 @@ components:
           default: true
           description: Specify whether the monitor is enabled.
           type: boolean
+        labels:
+          additionalProperties:
+            type: string
+          description: |
+            Key-value pairs of labels to associate with the monitor. Labels can be used for filtering and grouping monitors.
+          type: object
         locations:
           description: |
             The location to deploy the monitor.

x-pack/solutions/observability/plugins/synthetics/docs/openapi/synthetic_apis.yaml

@@ -1105,6 +1105,13 @@ components:
           items:
             type: string
           description: An array of tags.
+        labels:
+          type: object
+          additionalProperties:
+            type: string
+          description: >
+            Key-value pairs of labels to associate with the monitor.
+            Labels can be used for filtering and grouping monitors.
         timeout:
           type: number
           default: 16