MNT: Updates master for release `1.4.1`

[Gui-FernandesBR]

Pull request type

• [x] ReadMe, Docs and GitHub updates

Checklist

• [x] Tests for the changes have been added (if needed)
• [x] Docs have been reviewed and added / updated
• [x] Lint (black rocketpy/ tests/) has passed locally
• [x] All tests (pytest tests -m slow --runslow) have passed locally
• [x] CHANGELOG.md has been updated (if relevant)

New behavior

We basicly refactored some classes.

Breaking change

• [x] No

Additional information

None

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 74.47130% with 338 lines in your changes missing coverage. Please review.

Project coverage is 75.72%. Comparing base (e1f99fd) to head (d977fbe). Report is 3 commits behind head on master.

Files	Patch %	Lines
rocketpy/environment/fetchers.py	27.27%	104 Missing :warning:
rocketpy/rocket/aero_surface/nose_cone.py	78.68%	39 Missing :warning:
rocketpy/rocket/aero_surface/fins/fins.py	72.56%	31 Missing :warning:
rocketpy/environment/environment_analysis.py	20.58%	27 Missing :warning:
rocketpy/environment/tools.py	85.02%	25 Missing :warning:
rocketpy/simulation/flight.py	61.11%	21 Missing :warning:
...ketpy/rocket/aero_surface/fins/trapezoidal_fins.py	80.20%	19 Missing :warning:
rocketpy/rocket/aero_surface/tail.py	79.16%	15 Missing :warning:
rocketpy/motors/solid_motor.py	50.00%	7 Missing :warning:
...cketpy/rocket/aero_surface/fins/elliptical_fins.py	87.03%	7 Missing :warning:
... and 20 more

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #642 +/- ## ========================================== + Coverage 73.75% 75.72% +1.96% ========================================== Files 70 81 +11 Lines 10320 9815 -505 ========================================== - Hits 7612 7432 -180 + Misses 2708 2383 -325 ```

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