Bump go.opentelemetry.io/collector/featuregate

Bumps [go.opentelemetry.io/collector/featuregate](https://github.com/open-telemetry/opentelemetry-collector) from 1.0.0-rcv0013 to 1.21.0.
- [Release notes](https://github.com/open-telemetry/opentelemetry-collector/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-collector/blob/main/CHANGELOG-API.md)
- [Commits](open-telemetry/opentelemetry-collector@pdata/v1.0.0-rcv0013...pdata/v1.21.0)

---
updated-dependencies:
- dependency-name: go.opentelemetry.io/collector/featuregate
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

exporter/datadogexporter/go.mod

@@ -24,15 +24,15 @@ require (
 	github.com/open-telemetry/opentelemetry-collector-contrib/processor/resourcedetectionprocessor v0.80.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/receiver/filelogreceiver v0.80.0
 	github.com/open-telemetry/opentelemetry-collector-contrib/receiver/hostmetricsreceiver v0.80.0
-	github.com/stretchr/testify v1.8.4
+	github.com/stretchr/testify v1.10.0
 	go.opentelemetry.io/collector v0.80.0
 	go.opentelemetry.io/collector/component v0.80.0
 	go.opentelemetry.io/collector/config/confignet v0.80.0
 	go.opentelemetry.io/collector/config/configopaque v0.80.0
 	go.opentelemetry.io/collector/confmap v0.80.0
 	go.opentelemetry.io/collector/consumer v0.80.0
 	go.opentelemetry.io/collector/exporter v0.80.0
-	go.opentelemetry.io/collector/featuregate v1.0.0-rcv0013
+	go.opentelemetry.io/collector/featuregate v1.21.0
 	go.opentelemetry.io/collector/pdata v1.0.0-rcv0013
 	go.opentelemetry.io/collector/processor v0.80.0
 	go.opentelemetry.io/collector/processor/batchprocessor v0.80.0
@@ -108,6 +108,7 @@ require (
 	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/hashicorp/go-rootcerts v1.0.2 // indirect
+	github.com/hashicorp/go-version v1.7.0 // indirect
 	github.com/hashicorp/golang-lru v0.5.4 // indirect
 	github.com/hashicorp/serf v0.10.1 // indirect
 	github.com/imdario/mergo v0.3.13 // indirect
@@ -158,7 +159,7 @@ require (
 	github.com/shoenig/go-m1cpu v0.1.6 // indirect
 	github.com/spf13/cobra v1.7.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/stretchr/objx v0.5.0 // indirect
+	github.com/stretchr/objx v0.5.2 // indirect
 	github.com/tinylib/msgp v1.1.8 // indirect
 	github.com/tklauser/go-sysconf v0.3.11 // indirect
 	github.com/tklauser/numcpus v0.6.0 // indirect