fix(deps): update module github.com/cloudfoundry/go-cfclient/v3 to v3.0.0-alpha.16 (#44496)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
|
[github.com/cloudfoundry/go-cfclient/v3](https://redirect.github.com/cloudfoundry/go-cfclient)
| `v3.0.0-alpha.15` -> `v3.0.0-alpha.16` |
[![age](https://developer.mend.io/api/mc/badges/age/go/github.com%2fcloudfoundry%2fgo-cfclient%2fv3/v3.0.0-alpha.16?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/go/github.com%2fcloudfoundry%2fgo-cfclient%2fv3/v3.0.0-alpha.15/v3.0.0-alpha.16?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>cloudfoundry/go-cfclient
(github.com/cloudfoundry/go-cfclient/v3)</summary>

###
[`v3.0.0-alpha.16`](https://redirect.github.com/cloudfoundry/go-cfclient/releases/tag/v3.0.0-alpha.16)

[Compare
Source](https://redirect.github.com/cloudfoundry/go-cfclient/compare/v3.0.0-alpha.15...v3.0.0-alpha.16)

#### What's Changed

- Apps can be pushed without optionally starting
- Post-deploy, explicitly restart apps that were already running
- Ensure application stops when the stopped flag is set with rolling or
blue-green strategy
- Extend process stats object to include some missing fields
- Service plan method names have been normalized (fixed)

**Full Changelog**:
<cloudfoundry/go-cfclient@v3.0.0-alpha.15...v3.0.0-alpha.16>

</details>

---

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Author: renovate[bot]

extension/observer/cfgardenobserver/go.mod

@@ -4,7 +4,7 @@ go 1.24.0
 
 require (
 	code.cloudfoundry.org/garden v0.0.0-20241023020423-a21e43a17f84
-	github.com/cloudfoundry/go-cfclient/v3 v3.0.0-alpha.15
+	github.com/cloudfoundry/go-cfclient/v3 v3.0.0-alpha.16
 	github.com/open-telemetry/opentelemetry-collector-contrib/extension/observer v0.140.1
 	github.com/stretchr/testify v1.11.1
 	go.opentelemetry.io/collector/component v1.46.1-0.20251120204106-2e9c82787618