Update DEPRECATIONS notices

Author: ibmmqmet

DEPRECATIONS.md

@@ -1,9 +1,11 @@
-# Deprecrations
-No immediate plans for anything specific.
+# Deprecration Notices
 
-However it is likely that at some indeterminate future time, some of the lesser-used collectors
-will be removed: aws, influx, opentsdb being most likely.
+## 2025-11-05
+* I expect that at the next full update of this repo (probably to coincide with the next MQ LTS release), 
+some of the lesser-used collectors will be removed: aws, influx, opentsdb being most likely.
+  * The growing use of OpenTelemetry means that format/protocol can be used in many scenarios where you might
+    previously have needed a specific client.
 
-I also expect to change the Prometheus collector's default value of the `overrideCType` attribute, to
-more accurately reflect the different between Counters and Gauges. That may mean reworking some of your
-dashboards.
+* I also expect to change the Prometheus collector's default value of the `overrideCType` attribute at the
+same time, to more accurately reflect the different between Counters and Gauges. That may mean reworking
+some of your dashboards.