Update go.mod

update otel v1.0.0-RC1 to otel v1.0.0-RC2

Author: houseme

go.mod

@@ -13,9 +13,9 @@ require (
 	github.com/grokify/html-strip-tags-go v0.0.0-20190921062105-daaa06bf1aaf
 	github.com/mattn/go-runewidth v0.0.10 // indirect
 	github.com/olekukonko/tablewriter v0.0.5
-	go.opentelemetry.io/otel v1.0.0-RC1
-	go.opentelemetry.io/otel/oteltest v1.0.0-RC1
-	go.opentelemetry.io/otel/trace v1.0.0-RC1
+	go.opentelemetry.io/otel v1.0.0-RC2
+	go.opentelemetry.io/otel/oteltest v1.0.0-RC2
+	go.opentelemetry.io/otel/trace v1.0.0-RC2
 	golang.org/x/net v0.0.0-20201031054903-ff519b6c9102
 	golang.org/x/text v0.3.4
 	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c