update postgres to v18 and timescale to latest

[scheidtdav]

Type of Change

• Dependency upgrade
• Bug fix (non-breaking change)
• Breaking change
  • e.g. a fixed bug or new feature that may break something else
• New feature
• Code quality improvements
  • e.g. refactoring, documentation, tests, tooling, ...

Implementation

Update the docker files.
You might need to rebuild your database and start fresh after this.

Checklist

• I gave this pull request a meaningful title
• My pull request is targeting the dev branch
• I have added documentation to my code
• I have deleted code that I have commented out

Additional Information

• Related to deadlock possible when posting box locations via measurement #652

[scheidtdav]

Update: @timber-they's work in #667 already updated postgres. This now only formats the files, removes the outdated version attribute and removes a quite useless comment :-)