Pin silero VAD onnx model version to v4.0 #181

Job	Run time
run-tests (3.8)	2m 8s
run-tests (3.8)	2m 13s
check-code-format (3.8)	14s
check-code-format (3.8)	14s
run-tests (3.9)	2m 8s
run-tests (3.9)	2m 1s
check-code-format (3.9)	15s
check-code-format (3.9)	15s
run-tests (3.10)	1m 53s
run-tests (3.10)	2m 3s
check-code-format (3.10)	9s
check-code-format (3.10)	9s
run-tests (3.11)	2m 8s
run-tests (3.11)	2m 18s
check-code-format (3.11)	7s
check-code-format (3.11)	7s
build-and-push-docker-cpu	0s
build-and-push-docker-cpu	0s
publish-to-pypi	0s
publish-to-pypi	0s
build-and-push-docker-tensorrt	0s
build-and-push-docker-tensorrt	0s
build-and-push-docker-gpu	0s
build-and-push-docker-gpu	0s
	18m 22s

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