Update module gitlab.com/gitlab-org/api/client-go/v2 to v2.18.0 (#47647)

This PR contains the following updates:

| Package | Change |
[Age](https://docs.renovatebot.com/merge-confidence/) |
[Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
|
[gitlab.com/gitlab-org/api/client-go/v2](https://gitlab.com/gitlab-org/api/client-go)
| `v2.17.0` → `v2.18.0` |
![age](https://developer.mend.io/api/mc/badges/age/go/gitlab.com%2fgitlab-org%2fapi%2fclient-go%2fv2/v2.18.0?slim=true)
|
![confidence](https://developer.mend.io/api/mc/badges/confidence/go/gitlab.com%2fgitlab-org%2fapi%2fclient-go%2fv2/v2.17.0/v2.18.0?slim=true)
|

---

> [!WARNING]
> Some dependencies could not be looked up. Check the [Dependency
Dashboard](../issues/20907) for more information.

---

### Release Notes

<details>
<summary>gitlab-org/api/client-go
(gitlab.com/gitlab-org/api/client-go/v2)</summary>

###
[`v2.18.0`](https://gitlab.com/gitlab-org/api/client-go/tags/v2.18.0)

[Compare
Source](https://gitlab.com/gitlab-org/api/client-go/compare/v2.17.0...v2.18.0)

#### 2.18.0

##### 🚀 Features

- Feat: Add support for application setting
secret_push_protection_available
([!2849](https://gitlab.com/gitlab-org/api/client-go/-/merge_requests/2849))
by [Rizart Dona](https://gitlab.com/rizart_d)

##### 🔄 Other Changes

- fix: Correct Example Section in README
([!2850](https://gitlab.com/gitlab-org/api/client-go/-/merge_requests/2850))
by [Jonathan Bowe](https://gitlab.com/boweflex)

###
[2.18.0](https://gitlab.com/gitlab-org/api/client-go/compare/v2.17.0...v2.18.0)
(2026-04-14)
##### Bug Fixes

* Correct Example Section in README
([c0759d9](https://gitlab.com/gitlab-org/api/client-go/commit/c0759d99b2eefbd4501a0e960530ee5a73ec0084))

</details>

---

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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
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Author: 3 people

receiver/gitlabreceiver/go.mod

@@ -126,7 +126,7 @@ require (
 	github.com/pierrec/lz4/v4 v4.1.26 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/rs/cors v1.11.1 // indirect
-	gitlab.com/gitlab-org/api/client-go/v2 v2.17.0
+	gitlab.com/gitlab-org/api/client-go/v2 v2.18.0
 	go.opentelemetry.io/collector/client v1.56.0 // indirect
 	go.opentelemetry.io/collector/component/componentstatus v0.150.0
 	go.opentelemetry.io/collector/config/configauth v1.56.0 // indirect