[DOCS] Adds breaking change for allow_no_datafeeds and allow_no_jobs (#80155)

docs/reference/migration/migrate_8_0/api.asciidoc

@@ -101,4 +101,33 @@ status code when the request is attempting to modify an existing repository that
 *Impact* +
 Update client code that handles creation and deletion of repositories to reflect this change.
 ====
+
+.The `allow_no_datafeeds` property has been removed from {ml} APIs.
+[%collapsible]
+====
+*Details* +
+The `allow_no_datafeeds` property was deprecated in the
+{ref}/cat-datafeeds.html[cat {dfeeds}],
+{ref}/ml-get-datafeed.html[get {dfeeds}],
+{ref}/ml-get-datafeed-stats.html[get {dfeed} statistics], and
+{ref}/ml-stop-datafeed.html[stop {dfeeds}] APIs in 7.9.0.
+
+*Impact* +
+Use `allow_no_match` instead.
+====
+
+.The `allow_no_jobs` property has been removed from {ml} APIs.
+[%collapsible]
+====
+*Details* +
+The `allow_no_jobs` property was deprecated in the
+{ref}/cat-anomaly-detectors.html[cat anomaly detectors],
+{ref}/ml-close-job.html[close {anomaly-jobs}],
+{ref}/ml-get-job.html[get {anomaly-jobs}],
+{ref}/ml-get-job-stats.html[get {anomaly-job} statistics], and
+{ref}/ml-get-overall-buckets.html[get overall buckets] APIs in 7.9.0.
+
+*Impact* +
+Use `allow_no_match` instead.
+====
 // end::notable-breaking-changes[]