ci: update nox session weights (#310)

Automated weekly update of `py/scripts/session-weights.json`.

Session durations were re-measured on `windows-2025` with Python 3.10
and at least one session drifted beyond the 50% threshold.

This keeps nox shard balancing accurate.

Co-authored-by: AbhiPrasad <18689448+AbhiPrasad@users.noreply.github.com>

Author: github-actions[bot]

py/scripts/session-weights.json

@@ -2,54 +2,63 @@
   "_comment": "Approximate session durations in seconds from CI (windows, Python 3.10). Used by nox-matrix.py for balanced shard assignment. Re-measure periodically and update.",
   "_default": 15,
   "test_agentscope(1.0.0)": 29,
-  "test_agentscope(latest)": 12,
-  "test_agno(2.1.0)": 19,
-  "test_agno(2.4.0)": 17,
-  "test_agno(latest)": 26,
-  "test_anthropic(0.48.0)": 16,
+  "test_agentscope(latest)": 28,
+  "test_agno(2.1.0)": 16,
+  "test_agno(2.4.0)": 18,
+  "test_agno(latest)": 21,
+  "test_anthropic(0.48.0)": 8,
   "test_anthropic(0.49.0)": 13,
   "test_anthropic(0.50.0)": 13,
-  "test_anthropic(latest)": 15,
-  "test_autoevals(0.0.129)": 16,
-  "test_autoevals(latest)": 17,
-  "test_braintrust_core": 17,
+  "test_anthropic(latest)": 10,
+  "test_autoevals(0.0.129)": 38,
+  "test_autoevals(latest)": 35,
+  "test_braintrust_core": 34,
   "test_claude_agent_sdk(0.1.10)": 12,
-  "test_claude_agent_sdk(latest)": 12,
-  "test_cli": 17,
-  "test_core": 30,
-  "test_dspy(2.6.0)": 52,
-  "test_dspy(latest)": 25,
-  "test_google_adk(1.14.1)": 24,
-  "test_google_adk(latest)": 23,
-  "test_google_genai(1.30.0)": 12,
-  "test_google_genai(latest)": 16,
-  "test_langchain(0.3.28)": 28,
-  "test_langchain(latest)": 23,
-  "test_litellm(1.74.0)": 27,
+  "test_claude_agent_sdk(latest)": 10,
+  "test_cli": 15,
+  "test_core": 36,
+  "test_dspy(2.6.0)": 47,
+  "test_dspy(latest)": 51,
+  "test_google_adk(1.14.1)": 48,
+  "test_google_adk(latest)": 28,
+  "test_google_genai(1.30.0)": 10,
+  "test_google_genai(latest)": 13,
+  "test_langchain(0.3.28)": 22,
+  "test_langchain(latest)": 24,
+  "test_litellm(1.74.0)": 29,
   "test_litellm(1.83.0)": 34,
-  "test_mistral(1.12.4)": 11,
+  "test_litellm(latest)": 36,
+  "test_mistral(1.12.4)": 12,
   "test_mistral(latest)": 12,
   "test_openai(1.71)": 24,
+  "test_openai(1.71.0)": 17,
   "test_openai(1.77.0)": 17,
   "test_openai(1.91)": 15,
   "test_openai(1.92)": 15,
-  "test_openai(latest)": 14,
+  "test_openai(1.92.0)": 18,
+  "test_openai(latest)": 19,
   "test_openai_agents(0.0.19)": 15,
-  "test_openai_agents(latest)": 18,
+  "test_openai_agents(latest)": 21,
   "test_openai_http2_streaming": 10,
-  "test_openrouter(0.6.0)": 19,
-  "test_openrouter(latest)": 11,
-  "test_otel": 11,
+  "test_openai_http2_streaming(1.71.0)": 9,
+  "test_openai_http2_streaming(1.77.0)": 9,
+  "test_openai_http2_streaming(1.92.0)": 9,
+  "test_openai_http2_streaming(latest)": 9,
+  "test_openrouter(0.6.0)": 10,
+  "test_openrouter(latest)": 10,
+  "test_otel": 10,
   "test_otel_not_installed": 6,
-  "test_pydantic_ai_integration(1.10.0)": 28,
-  "test_pydantic_ai_integration(latest)": 12,
+  "test_pydantic_ai_integration(1.10.0)": 33,
+  "test_pydantic_ai_integration(latest)": 36,
   "test_pydantic_ai_logfire": 25,
+  "test_pydantic_ai_logfire(1.10.0)": 22,
+  "test_pydantic_ai_logfire(latest)": 19,
   "test_pydantic_ai_wrap_openai(0.1.9)": 14,
-  "test_pydantic_ai_wrap_openai(1.0.1)": 20,
-  "test_pydantic_ai_wrap_openai(latest)": 28,
-  "test_pytest_plugin(8.4.2)": 20,
-  "test_pytest_plugin(latest)": 27,
+  "test_pydantic_ai_wrap_openai(1.0.1)": 17,
+  "test_pydantic_ai_wrap_openai(latest)": 19,
+  "test_pytest_plugin(8.4.2)": 19,
+  "test_pytest_plugin(latest)": 19,
   "test_temporal(1.19.0)": 10,
-  "test_temporal(1.20.0)": 10,
-  "test_temporal(latest)": 17
+  "test_temporal(1.20.0)": 11,
+  "test_temporal(latest)": 11
 }