BUG: setup timezone in deploy

Summary

• Add new class for Timezone.
• Parse the server's time zone in the Info response.
• This is mainly intended for testing (caosdb-server!69 (merged)) and debugging.

Test Environment

See caosdb-pyinttest!43 (merged)

Check List for the Author

• All automated tests pass
• Reference related issues
• Up-to-date CHANGELOG.md (or not necessary)
• Annotations in code (Gitlab comments)
  • Intent of new code
  • Problems with old code
  • Why this implementation?

Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
• Up-to-date CHANGELOG.md (or not necessary)
• The test environment setup works and the intended behavior is reproducible in the test environment
• In-code documentation and comments are up-to-date.
• Check: Are there specifications? Are they satisfied?

For further good practices have a look at our review guidelines.

assigned to @timm

added 17 commits

• 742a3693...9c4743a2 - 15 commits from branch dev
• 2ada3c87 - Merge branch 'dev' into f-timezone
• 37d136a8 - REVERT: revert temporary changes in .gitlab-ci.yml

Compare with previous version

mentioned in merge request caosdb-server!69 (merged)

added 1 commit

• 7456343e - DOC: update CHANGELOG

Compare with previous version

changed the description

marked the checklist item All automated tests pass as completed

marked the checklist item Reference related issues as completed

marked the checklist item Up-to-date CHANGELOG.md (or not necessary) as completed

marked the checklist item I understand the intent of this MR as completed

marked the checklist item All automated tests pass as completed

marked the checklist item Up-to-date CHANGELOG.md (or not necessary) as completed

marked the checklist item The test environment setup works and the intended behavior is reproducible in the test as completed

marked the checklist item In-code documentation and comments are up-to-date. as completed

marked the checklist item Check: Are there specifications? Are they satisfied? as completed

mentioned in commit 6027ff06

merged