Bump urllib3 from 1.26.20 to 2.6.3 #747

Job	Run time
find-tutorials	4s
test-00_sync/000_hello_acp	2m 29s
test-10_async/00_base/030_tracing	2m 18s
test-10_async/00_base/020_streaming	2m 49s
test-10_async/10_temporal/010_agent_chat	8m 19s
test-10_async/00_base/010_multiturn	3m 5s
test-10_async/10_temporal/030_custom_activities	2m 24s
test-10_async/00_base/000_hello_acp	2m 9s
test-10_async/10_temporal/000_hello_acp	2m 19s
test-10_async/10_temporal/060_open_ai_agents_sdk_hello_world	2m 46s
test-10_async/10_temporal/090_claude_agents_sdk_mvp	2m 17s
test-10_async/10_temporal/050_agent_chat_guardrails	2m 22s
test-10_async/00_base/040_other_sdks	8m 21s
test-00_sync/010_multiturn	3m 15s
test-10_async/10_temporal/070_open_ai_agents_sdk_tools	2m 37s
test-10_async/00_base/080_batch_events	3m 20s
test-00_sync/020_streaming	3m 27s
test-10_async/10_temporal/080_open_ai_agents_sdk_human_in_the_loop	2m 35s
test-10_async/10_temporal/020_state_machine	8m 10s
Test Summary	4s
	1h 5m 10s

Provide feedback