Bump github.com/aws/aws-sdk-go-v2/config from 1.26.3 to 1.26.4 in /tools/release/image-mirror #648

Job	Run time
create-test-ref	1s
validate-markdown	11s
changes	6s
get-test-cases	2s
build	21m 37s
build-windows	20m 43s
packaging-rpm	43s
run-test-case (statsd_mock)	15s
packaging-msi	1m 44s
packaging-deb	33s
run-test-case (otlp_metric_mock)	24s
run-test-case (otlp_mock)	25s
run-test-case (otlp_grpc_exporter_metric_mock)	17s
run-test-case (otlp_grpc_exporter_trace_mock)	22s
run-test-case (otlp_http_exporter_metric_mock)	21s
run-test-case (otlp_http_exporter_trace_mock)	23s
run-test-case (sapm_exporter_trace_mock)	20s
run-test-case (signalfx_exporter_metric_mock)	20s
run-test-case (datadog_exporter_metric_mock)	20s
run-test-case (datadog_exporter_trace_mock)	16s
run-test-case (prometheus_mock)	24s
run-test-case (zipkin_mock)	15s
run-test-case (jaeger_mock)	25s
run-test-case (logzio_exporter_trace_mock)	23s
test-control-stript	13s
	51m 3s

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