fix: pin ddtrace<4.7.0 in tutorial pyproject.toml files

SDK-level pin doesn't propagate to tutorial envs since uv resolves
from the tutorial's pyproject.toml. ddtrace 4.7.0 changed tool call
handling in OpenAI integration, breaking TemporalStreamingHooks.

Author: prassanna-ravishankar

examples/tutorials/10_async/10_temporal/060_open_ai_agents_sdk_hello_world/pyproject.toml

@@ -11,6 +11,7 @@ dependencies = [
     "agentex-sdk>=0.6.0",
     "openai-agents>=0.4.2",
     "temporalio>=1.18.2,<1.25.0",
+    "ddtrace>=3.13.0,<4.7.0",
     "scale-gp",
 ]
 

examples/tutorials/10_async/10_temporal/070_open_ai_agents_sdk_tools/pyproject.toml

@@ -11,6 +11,7 @@ dependencies = [
     "agentex-sdk>=0.6.0",
     "openai-agents>=0.4.2",
     "temporalio>=1.18.2,<1.25.0",
+    "ddtrace>=3.13.0,<4.7.0",
     "scale-gp",
 ]
 

examples/tutorials/10_async/10_temporal/080_open_ai_agents_sdk_human_in_the_loop/pyproject.toml

@@ -11,6 +11,7 @@ dependencies = [
     "agentex-sdk>=0.6.0",
     "openai-agents>=0.4.2",
     "temporalio>=1.18.2,<1.25.0",
+    "ddtrace>=3.13.0,<4.7.0",
     "scale-gp",
 ]
 

examples/tutorials/10_async/10_temporal/100_gemini_litellm/pyproject.toml

@@ -11,6 +11,7 @@ dependencies = [
     "agentex-sdk>=0.6.0",
     "openai-agents>=0.4.2",
     "temporalio>=1.18.2,<1.25.0",
+    "ddtrace>=3.13.0,<4.7.0",
     "scale-gp",
     "litellm>=1.52.0",
 ]