v0.3.43

Trixi v0.3.43

Diff since v0.3.42

Closed issues:

• Extend plotting to 1D (#198)

Merged pull requests:

• Improve EC methods (focusing on the compressible Euler equations) (#643) (@ranocha)
• add deprecation note to API reference of Trixi2Img (#677) (@ranocha)
• cancel redundant CI workflows automatically (#678) (@ranocha)
• timed testsets (#679) (@ranocha)
• make convergence tests a bit less expensive in CI (#682) (@ranocha)
• Add "chat|Slack" badge and info to README (#684) (@sloede)
• primitive variables (#686) (@ranocha)
• curved ec performance (#688) (@ranocha)