patch(pkg/logger): use local system timezone

[piyoki]

Background

Use the host's system timezone instead of UTC.

Checklist

• The Pull Request has been fully tested
• There's an entry in the CHANGELOGS
• There is a user-facing docs PR against https://github.com/daeuniverse/dae

Full Changelogs

• patch(pkg/logger): use local system timezone
• fixture(pkg/logger): add unit test

Issue Reference

Closes #326

Test Result

◆ dae git:(timezone_based_logger) ✗ ❯❯❯ go test -v ./pkg/logger/ -run TestLogger            01:21:01
=== RUN   TestLogger
time="Sep 11 01:21:02" level=info msg="Hi there!"
--- PASS: TestLogger (0.00s)
PASS
ok      github.com/daeuniverse/dae/pkg/logger   0.002s

Unit Test

---

Actual behavior test

[dae-prow]

🧪 Since the PR has been fully tested, please consider merging it.

[piyoki]

According to the actual test:

[EkkoG]

This change is no needed, see #345

[piyoki]

Marked as resolved. See comments above.