chore(deps): update dependency llama-stack-client to v0.2.20

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

Author: red-hat-konflux[bot]

requirements-aarch64.txt

@@ -268,7 +268,7 @@ langsmith==0.4.8
     #   langchain-core
 launchdarkly-server-sdk==8.3.0
     # via -r requirements.in
-llama-stack-client==0.2.12
+llama-stack-client==0.2.20
     # via -r requirements.in
 markdown-it-py==3.0.0
     # via rich

requirements-x86_64.txt

@@ -268,7 +268,7 @@ langsmith==0.4.8
     #   langchain-core
 launchdarkly-server-sdk==8.3.0
     # via -r requirements.in
-llama-stack-client==0.2.12
+llama-stack-client==0.2.20
     # via -r requirements.in
 markdown-it-py==3.0.0
     # via rich