Bump filelock from 3.19.1 to 3.20.3 #726

Job	Run time
find-tutorials	3s
test-10_async/00_base/000_hello_acp	2m 14s
test-10_async/00_base/010_multiturn	2m 55s
test-10_async/00_base/080_batch_events	3m 46s
test-10_async/10_temporal/020_state_machine	8m 4s
test-10_async/00_base/040_other_sdks	10m 46s
test-10_async/00_base/020_streaming	3m 3s
test-00_sync/020_streaming	3m 16s
test-10_async/10_temporal/000_hello_acp	2m 18s
test-00_sync/000_hello_acp	2m 16s
test-10_async/00_base/030_tracing	2m 8s
test-00_sync/010_multiturn	3m 23s
test-10_async/10_temporal/050_agent_chat_guardrails	2m 10s
test-10_async/10_temporal/080_open_ai_agents_sdk_human_in_the_loop	2m 35s
test-10_async/10_temporal/070_open_ai_agents_sdk_tools	2m 38s
test-10_async/10_temporal/030_custom_activities	2m 22s
test-10_async/10_temporal/010_agent_chat	11m 3s
test-10_async/10_temporal/060_open_ai_agents_sdk_hello_world	2m 30s
test-10_async/10_temporal/090_claude_agents_sdk_mvp	2m 23s
Test Summary	5s
	1h 9m 58s

Provide feedback