v0.11.13

Trixi v0.11.13

Diff since v0.11.12

Merged pull requests:

• structured mesh with nonconservative fluxes (#2372) (@SimonCan)
• Remove Alg for PERK integrators (#2378) (@DanielDoehring)

Closed issues:

• Boundary flux wrong for structured 2d mesh shallow water equation (#2370)