Update Code to registered version

[codecov-commenter]

Codecov Report

Base: 36.99% // Head: 36.99% // No change to project coverage :thumbsup:

Coverage data is based on head (4c38240) compared to base (3f8b225). Patch coverage: 36.46% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## JOSS-Paper #15 +/- ## =========================================== Coverage 36.99% 36.99% =========================================== Files 1 1 Lines 373 373 =========================================== Hits 138 138 Misses 235 235 ``` | [Impacted Files](https://codecov.io/gh/TS-CUBED/CirculationModels.jl/pull/15?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Torsten+Schenkel) | Coverage Δ | | |---|---|---| | [src/CirculationModels.jl](https://codecov.io/gh/TS-CUBED/CirculationModels.jl/pull/15?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Torsten+Schenkel#diff-c3JjL0NpcmN1bGF0aW9uTW9kZWxzLmps) | `36.99% <36.46%> (ø)` | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Torsten+Schenkel). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Torsten+Schenkel)

:umbrella: View full report at Codecov.
:loudspeaker: Do you have feedback about the report comment? Let us know in this issue.