Automatically update PostgreSQL versions

[sxd]

Based on the community we should be able to safely update the version using the following link https://www.postgresql.org/versions.json

[dosubot]

Hi, @sxd. I'm Dosu, and I'm helping the postgres-containers team manage their backlog. I'm marking this issue as stale.

Issue Summary:

• Proposal to automate PostgreSQL version updates using a JSON link.
• Aims to enhance security and performance by ensuring timely updates.
• No comments or developments have been made on this issue yet.

Next Steps:

• Please confirm if this issue is still relevant to the latest version of the postgres-containers repository by commenting here.
• If there is no further activity, this issue will be automatically closed in 7 days.

Thank you for your understanding and contribution!