chore: update LaunchDarkly AI SDK dependencies to latest versions

Co-Authored-By: rlamb@launchdarkly.com <4955475+kinyoklion@users.noreply.github.com>

Author: devin-ai-integration[bot]

pyproject.toml

@@ -20,9 +20,9 @@ direct-judge-example = 'examples.direct_judge_example:main'
 
 [tool.poetry.dependencies]
 python = "^3.10"
-launchdarkly-server-sdk-ai = "^0.17.0"
-launchdarkly-server-sdk-ai-langchain = "^0.4.0"
-launchdarkly-server-sdk-ai-openai = "^0.3.0"
+launchdarkly-server-sdk-ai = "^0.18.0"
+launchdarkly-server-sdk-ai-langchain = "^0.5.0"
+launchdarkly-server-sdk-ai-openai = "^0.4.0"
 launchdarkly-observability = { version = ">=0.1.0", optional = true }
 
 boto3 = { version = ">=0.2.0", optional = true }