docs: add EDOT SDK encouragement to index and supported-technologies (#2578)

* docs: add EDOT SDK encouragement to index and supported-technologies

Encourage users to consider the EDOT Python SDK for observability data on the
APM agent intro and supported-technologies pages, in line with OTel adoption.

Made-with: Cursor

* docs: use EDOT SDK repo links instead of docs-content URLs

Made-with: Cursor

* Fix build error

Author: alexandra5000

docs/docset.yml

@@ -9,6 +9,7 @@ cross_links:
   - ecs
   - ecs-logging
   - ecs-logging-python
+  - elastic-otel-python
   - elasticsearch
   - logstash-docs-md
 toc:

docs/reference/index.md

@@ -14,6 +14,9 @@ applies_to:
 
 The Elastic APM Python agent sends performance metrics and error logs to the APM Server. It has built-in support for Django and Flask performance metrics and error logging, as well as generic support of other WSGI frameworks for error logging.
 
+:::::{note}
+Elastic supports OpenTelemetry, which allows logs, metrics, and trace signal collection for many of the [supported technologies](/reference/supported-technologies.md) below. Consider using the [EDOT Python SDK](elastic-otel-python://reference/edot-python/index.md) for observability data so you continue to get the full power of Elastic's platform.
+:::::
 
 ## How does the Agent work? [how-it-works]
 

docs/reference/supported-technologies.md

@@ -11,6 +11,10 @@ applies_to:
 
 # Supported technologies [supported-technologies]
 
+The Elastic APM Python Agent supports the technologies listed below.
+
+Elastic supports OpenTelemetry, which allows logs, metrics, and trace signal collection for many of these technologies. Consider using the [EDOT Python SDK](elastic-otel-python://reference/edot-python/index.md) for observability data so you continue to get the full power of Elastic's platform.
+
 $$$framework-support$$$
 The Elastic APM Python Agent comes with support for the following frameworks: