Update failing link to Makie GitHub

Author: uekerman

docs/course-content.md

@@ -75,7 +75,7 @@ We got amazing contributions when we did this lecture previously:
 
 ### Highlights from winter term 2021/22
 
-- **Kim Kröner** [added user documentation](https://github.com/JuliaPlots/Makie.jl/pull/1641) to the [Julia visualization toolbox Makie](https://makie.juliaplots.org/stable/).
+- **Kim Kröner** [added user documentation](https://github.com/MakieOrg/Makie.jl/pull/1641) to the [Julia visualization toolbox Makie](https://makie.juliaplots.org/stable/).
 - **Larissa Brencher**, among other contributions, implemented a new [graph partitioning via the PT-Scotch package](https://git.iws.uni-stuttgart.de/dumux-repositories/dumux/-/merge_requests/3005) into the [porous media simulator DuMuX](https://dumux.org/).
 - **Sabri Bektas** [extended the OsmWebWizard](https://github.com/eclipse/sumo/issues/7585) of the [traffic simulation package SUMO](https://www.eclipse.org/sumo/) to allow the user to distinguish between road types, minimizing the downloaded and rendered OpenStreetMap data.
 - **Jonathan Haag** [improved a tutorial](https://github.com/projectmesa/mesa/issues/1109) of the [agent-based modeling framework MESA](https://mesa.readthedocs.io/en/latest/).