Add tzinfo to current date

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 97.03%. Comparing base (6204b7e) to head (ccbf23f).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #171 +/- ## ======================================= Coverage 97.03% 97.03% ======================================= Files 85 85 Lines 2124 2124 ======================================= Hits 2061 2061 Misses 63 63 ``` | [Flag](https://app.codecov.io/gh/diogomatoschaves/MyCryptoBot/pull/171/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Diogo+Matos+Chaves) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/diogomatoschaves/MyCryptoBot/pull/171/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Diogo+Matos+Chaves) | `97.03% <100.00%> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Diogo+Matos+Chaves#carryforward-flags-in-the-pull-request-comment) to find out more.

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