40 avoid dropping timezone of measurement dataframe

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 20 lines in your changes missing coverage. Please review.

Project coverage is 14.56%. Comparing base (924447c) to head (e9c1920).

Files	Patch %	Lines
kenmerkendewaarden/tidalindicators.py	0.00%	20 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #41 +/- ## ========================================== - Coverage 14.60% 14.56% -0.04% ========================================== Files 8 8 Lines 815 817 +2 ========================================== Hits 119 119 - Misses 696 698 +2 ```

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[sonarcloud[bot]]

Quality Gate passed

Issues
14 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarCloud