Update git.autistici.org/ai3/go-common digest to 39e01d3

vendor/go.opencensus.io/metric/metricdata/point.go

vendor/go.opencensus.io/metric/metricdata/type_string.go

vendor/go.opencensus.io/metric/metricproducer/manager.go

vendor/go.opencensus.io/plugin/ochttp/client.go

vendor/go.opencensus.io/plugin/ochttp/client_stats.go

vendor/go.opencensus.io/plugin/ochttp/propagation/b3/b3.go

vendor/go.opencensus.io/plugin/ochttp/route.go

vendor/go.opencensus.io/plugin/ochttp/server.go

...encensus.io/plugin/ochttp/span_annotating_client_trace.go

vendor/go.opencensus.io/plugin/ochttp/stats.go

vendor/go.opencensus.io/plugin/ochttp/trace.go

vendor/go.opencensus.io/resource/resource.go

vendor/go.opencensus.io/stats/doc.go

vendor/go.opencensus.io/stats/measure.go

vendor/go.opencensus.io/stats/measure_float64.go

vendor/go.opencensus.io/stats/record.go

vendor/go.opencensus.io/stats/view/aggregation.go

vendor/go.opencensus.io/stats/view/aggregation_data.go

vendor/go.opencensus.io/stats/view/collector.go

vendor/go.opencensus.io/stats/view/doc.go