chore(deps): bump tsx from 4.20.5 to 4.20.6 in /src/typescript #1431

Job	Run time
typescript / Check Typescript E2E tests	42s
typescript / Check Typescript library	46s
typescript / Check Typescript chatbot	43s
python / Check Python library	48s
python / Check Python chatbot	15s
python / Check Python E2E tests	11s
cdk / Check Typescript-based Cat Facts Server	1m 40s
cdk / Check Typescript-based Weather Alerts Server	1m 41s
cdk / Check Typescript-based Dog Facts Server	1m 33s
cdk / Check Python-based MCP Doc Server	2m 9s
cdk / Check Python-based Zen Server	30s
cdk / Check Typescript-based Dictionary Server	1m 57s
cdk / Check Python-based Time Server	2m 1s
cdk / Check Python-based Dad Jokes Server	2m 11s
cdk / Check Typescript-based Cognito stack	29s
cdk / Check Python-based Book Search Server	2m 32s
	20m 8s

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