Bump gopkg.in/DataDog/dd-trace-go.v1 from 1.38.1 to 1.40.1

Bumps [gopkg.in/DataDog/dd-trace-go.v1](https://github.com/DataDog/dd-trace-go) from 1.38.1 to 1.40.1.
- [Release notes](https://github.com/DataDog/dd-trace-go/releases)
- [Commits](DataDog/dd-trace-go@v1.38.1...v1.40.1)

---
updated-dependencies:
- dependency-name: gopkg.in/DataDog/dd-trace-go.v1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -16,7 +16,7 @@ require (
 	github.com/tinylib/msgp v1.1.6 // indirect
 	golang.org/x/sys v0.0.0-20220307203707-22a9840ba4d7 // indirect
 	golang.org/x/time v0.0.0-20220224211638-0e9765cccd65 // indirect
-	gopkg.in/DataDog/dd-trace-go.v1 v1.38.1
+	gopkg.in/DataDog/dd-trace-go.v1 v1.40.1
 )
 
 require (
@@ -38,7 +38,10 @@ require (
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/stretchr/objx v0.4.0 // indirect
+	go4.org/intern v0.0.0-20211027215823-ae77deb06f29 // indirect
+	go4.org/unsafe/assume-no-moving-gc v0.0.0-20211027215541-db492cf91b37 // indirect
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	google.golang.org/protobuf v1.27.1 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
+	inet.af/netaddr v0.0.0-20211027220019-c74959edd3b6 // indirect
 )