build(deps): bump go.opentelemetry.io/collector/pdata in the otel group

Bumps the otel group with 1 update: [go.opentelemetry.io/collector/pdata](https://github.com/open-telemetry/opentelemetry-collector).


Updates `go.opentelemetry.io/collector/pdata` from 1.20.0 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/v1.20.0...pdata/v1.21.0)

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

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

go.mod

@@ -40,7 +40,7 @@ require (
 	go.elastic.co/apm/module/apmotel/v2 v2.6.2
 	go.elastic.co/apm/v2 v2.6.2
 	go.elastic.co/fastjson v1.4.0
-	go.opentelemetry.io/collector/pdata v1.20.0
+	go.opentelemetry.io/collector/pdata v1.21.0
 	go.opentelemetry.io/otel v1.32.0
 	go.opentelemetry.io/otel/metric v1.32.0
 	go.opentelemetry.io/otel/sdk/metric v1.32.0

go.sum

@@ -455,8 +455,8 @@ go.elastic.co/fastjson v1.4.0 h1:a4BXUKXZHAzjVOPrqtEx2FDsIRBCMek01vCnrtyutWs=
 go.elastic.co/fastjson v1.4.0/go.mod h1:ZD5um63l0/8TIdddZbL2znD83FAr2IckYa3KR7VcdNA=
 go.opentelemetry.io/collector/consumer v0.114.0 h1:1zVaHvfIZowGwZRitRBRo3i+RP2StlU+GClYiofSw0Q=
 go.opentelemetry.io/collector/consumer v0.114.0/go.mod h1:d+Mrzt9hsH1ub3zmwSlnQVPLeTYir4Mgo7CrWfnncN4=
-go.opentelemetry.io/collector/pdata v1.20.0 h1:ePcwt4bdtISP0loHaE+C9xYoU2ZkIvWv89Fob16o9SM=
-go.opentelemetry.io/collector/pdata v1.20.0/go.mod h1:Ox1YVLe87cZDB/TL30i4SUz1cA5s6AM6SpFMfY61ICs=
+go.opentelemetry.io/collector/pdata v1.21.0 h1:PG+UbiFMJ35X/WcAR7Rf/PWmWtRdW0aHlOidsR6c5MA=
+go.opentelemetry.io/collector/pdata v1.21.0/go.mod h1:GKb1/zocKJMvxKbS+sl0W85lxhYBTFJ6h6I1tphVyDU=
 go.opentelemetry.io/collector/semconv v0.114.0 h1:/eKcCJwZepQUtEuFuxa0thx2XIOvhFpaf214ZG1a11k=
 go.opentelemetry.io/collector/semconv v0.114.0/go.mod h1:zCJ5njhWpejR+A40kiEoeFm1xq1uzyZwMnRNX6/D82A=
 go.opentelemetry.io/otel v1.32.0 h1:WnBN+Xjcteh0zdk01SVqV55d/m62NJLJdIyb4y/WO5U=