Mark the LLM Agents Kafka pipeline as broken (#1792)

* Fix urls for other known issues

## By Submitting this PR I confirm:
- I am familiar with the [Contributing Guidelines](https://github.com/nv-morpheus/Morpheus/blob/main/docs/source/developer_guide/contributing.md).
- When the PR is ready for review, new or existing tests cover these changes.
- When the PR is ready for review, the documentation is up to date with these changes.

Authors:
  - David Gardner (https://github.com/dagardner-nv)

Approvers:
  - Michael Demoret (https://github.com/mdemoret-nv)

URL: #1792

docs/source/extra_info/known_issues.md

@@ -17,7 +17,8 @@ limitations under the License.
 
 # Known Issues
 
-- TrainAEStage fails with a Segmentation fault ([#1641](https://github.com/nv-morpheus/Morpheus/pull/1641))
-- vdb_upload example pipeline triggers an internal error in Triton ([#1649](https://github.com/nv-morpheus/Morpheus/pull/1649))
+- TrainAEStage fails with a Segmentation fault ([#1641](https://github.com/nv-morpheus/Morpheus/issues/1641))
+- vdb_upload example pipeline triggers an internal error in Triton ([#1649](https://github.com/nv-morpheus/Morpheus/issues/1649))
+- LLM Agents Kafka pipeline is broken ([#1791](https://github.com/nv-morpheus/Morpheus/issues/1791))
 
 Refer to [open issues in the Morpheus project](https://github.com/nv-morpheus/Morpheus/issues)

examples/llm/agents/README.md

@@ -157,6 +157,8 @@ python examples/llm/main.py agents simple [OPTIONS]
 
 ### Run example (Kafka Pipeline):
 
+> **Warning**: The Kafka Agents pipeline is currently broken [#1791](https://github.com/nv-morpheus/Morpheus/issues/1791)
+
 The Kafka Example in the Morpheus LLM Agents demonstrates an streaming implementation, utilizing Kafka messages to
 facilitate the near real-time processing of LLM queries. This example is similar to the Simple example but makes use of
 a KafkaSourceStage to stream and retrieve messages from the Kafka topic