[Automation] Bump product version numbers

[elastic-observability-automation]

Bump release versions in the config/versions.yml

Update config/versions.yml eck 3.3.1

change detected: * key "$.versioning_systems.eck.current" updated from "3.3.0" to "3.3.1", in file "config/versions.yml"

v3.3.1

# Elastic Cloud on Kubernetes 3.3.1
- [Quickstart guide](https://www.elastic.co/docs/deploy-manage/deploy/cloud-on-k8s#eck-quickstart)

### Release Highlights

#### Removing Enterprise requirement for Elastic AutoOps

ECK 3.3.1 has removed the enterprise requirement for AutoOpsAgentPolicy. AutoOps can now be used by on premises users without the need for an enterprise license.

### Features and enhancements

- Removing enterprise requirement for AutoOpsAgentPolicy [#9125](https://github.com/elastic/cloud-on-k8s/pull/9125)
- Add Namespace Selector to AutoOpsAgentPolicy [#8991](https://github.com/elastic/cloud-on-k8s/pull/8991)
- Update minimum AutoOps Agent to 9.2.4 when a Basic license is used [#9157](https://github.com/elastic/cloud-on-k8s/pull/9157)

### Dependency updates

- Go 1.25.6 => 1.25.7
- github.com/elastic/go-ucfg v0.8.9-0.20251017163010-3520930bed4f -> v0.8.9-0.20260108155023-368693374ae9
- go.elastic.co/apm/v2 v2.7.2 -> v2.7.3
- golang.org/x/crypto v0.46.0 -> v0.48.0
- k8s.io/api v0.35.0 -> v0.35.1
- k8s.io/apimachinery v0.35.0 -> v0.35.1
- k8s.io/client-go v0.35.0 -> v0.35.1

Update config/versions.yml stack 9.3.1

1 file(s) updated with "$1 9.3.1": * config/versions.yml

Update config/versions.yml edot-collector 9.3.1

change detected: * key "$.versioning_systems.edot-collector.current" updated from "9.3.0" to "9.3.1", in file "config/versions.yml"

v9.3.1

Downloads: https://elastic.co/downloads/elastic-agent
Release notes: https://www.elastic.co/docs/release-notes/elastic-agent#elastic-agent-release-notes-9.3.1

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[shainaraskas]

holding for 🟢 from eck team

[theletterf]

Collector 9.3.1 is out