Update dependency urllib3 to v2.6.0 (opensearch-project#6345)

Co-authored-by: mend-for-github-com[bot] <50673670+mend-for-github-com[bot]@users.noreply.github.com>

Author: mend-for-github-com[bot]

examples/trace-analytics-sample-app/sample-app/requirements.txt

@@ -8,6 +8,6 @@ opentelemetry-sdk==1.25.0
 protobuf==4.25.8
 requests==2.32.4
 setuptools==78.1.1
-urllib3==2.5.0
+urllib3==2.6.0
 werkzeug==3.0.6
 zipp==3.19.1