Support PostgreSQL 18

[zcyc]

Support PostgreSQL 18

[f2c-ci-robot]

Adding the "do-not-merge/release-note-label-needed" label because no release-note block was detected, please follow our release note process to remove it.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository.

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by:

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these files:

• OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[wanghe-fit2cloud]

推荐使用 postgres:18.0-alpine 版本，便于用户后续版本升级。

[wanghe-fit2cloud]

Hi，感谢你提交 PostgreSQL 18 的 PR！
不过目前该版本的 目录结构和初始化方式发生了变更，现有的 compose.yml 尚未适配，单纯修改镜像版本号会导致容器无法正常启动。
建议优先在本地完成适配和测试，确认可以正常运行后再提交 PR。

[zcyc]

@wanghe-fit2cloud 抱歉，之前的提交确实存在错误。我修复了 volume，并改为你推荐的 postgres:18.0-alpine，本地测试正常。