Bump Jenkins inbound-agent version to 3355.v388858a_47b_33-15

[jenkins-infra-updatecli]

Bump Jenkins inbound-agent version

Update the value of ARG JENKINS_AGENT_VERSION in the Dockerfile

changed lines [1 166] of file "./Dockerfile"

3355.v388858a_47b_33-15

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## 📦 Dependency updates

* Bump Debian trixie Linux version to trixie-20260223 (#1167) @[github-actions[bot]](https://github.com/apps/github-actions)
* Bump UBI9 version to 9.7-1771346757 (#1164) @[github-actions[bot]](https://github.com/apps/github-actions)

Jenkins pipeline link

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