Update module github.com/open-telemetry/otel-arrow/collector to v0.21…

….0 (open-telemetry#32432)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[github.com/open-telemetry/otel-arrow/collector](https://togithub.com/open-telemetry/otel-arrow)
| `v0.20.0` -> `v0.21.0` |
[![age](https://developer.mend.io/api/mc/badges/age/go/github.com%2fopen-telemetry%2fotel-arrow%2fcollector/v0.21.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/go/github.com%2fopen-telemetry%2fotel-arrow%2fcollector/v0.21.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/go/github.com%2fopen-telemetry%2fotel-arrow%2fcollector/v0.20.0/v0.21.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/go/github.com%2fopen-telemetry%2fotel-arrow%2fcollector/v0.20.0/v0.21.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>open-telemetry/otel-arrow
(github.com/open-telemetry/otel-arrow/collector)</summary>

###
[`v0.21.0`](https://togithub.com/open-telemetry/otel-arrow/releases/tag/v0.21.0)

[Compare
Source](https://togithub.com/open-telemetry/otel-arrow/compare/v0.20.0...v0.21.0)

See the
[CHANGELOG](https://togithub.com/open-telemetry/otel-arrow/blob/main/CHANGELOG.md).

</details>

---

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exporter/otelarrowexporter/go.mod

@@ -4,7 +4,7 @@ go 1.21
 
 require (
  github.com/open-telemetry/otel-arrow v0.18.0
- github.com/open-telemetry/otel-arrow/collector v0.20.0
+ github.com/open-telemetry/otel-arrow/collector v0.21.0
  github.com/stretchr/testify v1.9.0
  go.opentelemetry.io/collector/component v0.98.1-0.20240416174005-d0f15e2463f8
  go.opentelemetry.io/collector/config/configauth v0.98.1-0.20240416174005-d0f15e2463f8

receiver/otelarrowreceiver/go.mod

@@ -5,7 +5,7 @@ go 1.21
 require (
  github.com/open-telemetry/opentelemetry-collector-contrib/internal/sharedcomponent v0.98.0
  github.com/open-telemetry/otel-arrow v0.18.0
- github.com/open-telemetry/otel-arrow/collector v0.20.0
+ github.com/open-telemetry/otel-arrow/collector v0.21.0
  github.com/stretchr/testify v1.9.0
  go.opentelemetry.io/collector/component v0.98.1-0.20240416174005-d0f15e2463f8
  go.opentelemetry.io/collector/config/configgrpc v0.98.1-0.20240416174005-d0f15e2463f8