chore(deps): bump @smithy/signature-v4 in /src/typescript #944

Job	Run time
python / Check Python chatbot	10s
python / Check Python E2E tests	10s
python / Check Python library	44s
typescript / Check Typescript chatbot	34s
typescript / Check Typescript E2E tests	33s
typescript / Check Typescript library	42s
cdk / Check Python-based MCP Doc Server	2m 10s
cdk / Check Python-based Dad Jokes Server	1m 55s
cdk / Check Python-based Inspiration Server	29s
cdk / Check Python-based Book Search Server	2m 21s
cdk / Check Typescript-based Cognito stack	19s
cdk / Check Typescript-based Weather Alerts Server	1m 35s
cdk / Check Typescript-based Cat Facts Server	1m 27s
cdk / Check Typescript-based Dog Facts Server	1m 31s
cdk / Check Typescript-based Dictionary Server	1m 48s
cdk / Check Python-based Time Server	1m 56s
	18m 24s

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