Merge pull request RocketPy-Team#83 from Projeto-Jupiter/pre-release/…

…v0.9.8

Updated maintainers, version and name to rocketpy

version: Release version 0.9.7

Merge pull request RocketPy-Team#44 from giovaniceotto/bugfix/uDotPar…

…achute

# Bug Fixes
- Fixed bug where air density was always equal to 1.0 for parachute drag force calculation.

# Acknowledgements
- Special thanks to Isabela Maria Mendes Lopes for identifying the bug!

# Version
0.9.6

Fixed requirements