Bump github.com/spf13/pflag from 1.0.5 to 1.0.6 in /cmd/telemetrygen

Bumps [github.com/spf13/pflag](https://github.com/spf13/pflag) from 1.0.5 to 1.0.6.
- [Release notes](https://github.com/spf13/pflag/releases)
- [Commits](spf13/pflag@v1.0.5...v1.0.6)

---
updated-dependencies:
- dependency-name: github.com/spf13/pflag
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

cmd/telemetrygen/go.mod

@@ -5,7 +5,7 @@ go 1.19
 require (
 	github.com/grpc-ecosystem/go-grpc-middleware v1.4.0
 	github.com/spf13/cobra v1.7.0
-	github.com/spf13/pflag v1.0.5
+	github.com/spf13/pflag v1.0.6
 	github.com/stretchr/testify v1.8.4
 	go.opentelemetry.io/collector/component v0.81.0
 	go.opentelemetry.io/collector/pdata v1.0.0-rcv0013