build(deps): bump gopkg.in/DataDog/dd-trace-go.v1 from 1.21.0 to 1.22.0 (#3710)

Bumps [gopkg.in/DataDog/dd-trace-go.v1](https://github.com/DataDog/dd-trace-go) from 1.21.0 to 1.22.0.
- [Release notes](https://github.com/DataDog/dd-trace-go/releases)
- [Commits](https://github.com/DataDog/dd-trace-go/compare/v1.21.0...v1.22.0)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

go.mod

@@ -40,7 +40,7 @@ require (
 	golang.org/x/sys v0.0.0-20200122134326-e047566fdf82
 	google.golang.org/api v0.15.0
 	google.golang.org/grpc v1.26.0
-	gopkg.in/DataDog/dd-trace-go.v1 v1.21.0
+	gopkg.in/DataDog/dd-trace-go.v1 v1.22.0
 	k8s.io/api v0.17.3
 	k8s.io/apimachinery v0.17.3
 	k8s.io/client-go v0.17.3

go.sum

@@ -579,6 +579,8 @@ google.golang.org/grpc v1.26.0 h1:2dTRdpdFEEhJYQD8EMLB61nnrzSCTbG38PhqdhvOltg=
 google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 gopkg.in/DataDog/dd-trace-go.v1 v1.21.0 h1:t7+p2KOc5mS6tSZG8Ujlr/OonbKd8Ls6wlYaoTN+UAo=
 gopkg.in/DataDog/dd-trace-go.v1 v1.21.0/go.mod h1:DVp8HmDh8PuTu2Z0fVVlBsyWaC++fzwVCaGWylTe3tg=
+gopkg.in/DataDog/dd-trace-go.v1 v1.22.0 h1:gpWsqqkwUldNZXGJqT69NU9MdEDhLboK1C4nMgR0MWw=
+gopkg.in/DataDog/dd-trace-go.v1 v1.22.0/go.mod h1:DVp8HmDh8PuTu2Z0fVVlBsyWaC++fzwVCaGWylTe3tg=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=