Tests

Bump starlette in /cloud-run-single/1-apps/apps/adk_a2a (#97) #463

Job	Run time
compute-matrix	3s
setup-tf-providers (terraform, 1.13.4)	26s
setup-tf-providers (tofu, 1.10.0)	27s
tests (tofu, 1.10.0)	1m 13s
tests (terraform, 1.13.4)	1m 22s
	3m 31s

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