cashocs v2.7.0

What's Changed

New Features and Improvements

• cashocs.load_config now raises an exception if the config file is not found by @sblauth in #718
• Pseudo time stepping now raises an exception if maximum steps are reached by @sblauth in #723
• Enhance the logging of cashocs by @sblauth in #724
• Add support for DG1 elements for box-constrained optimal control problems by @sblauth in #728
• Add PETSc option ts_converged_its by @sblauth in #748

Bug Fixes

• Fixes a memory leak with PETSc / petsc4py by @sblauth in #739

Changes to the documentation

• Fix the return section of the docstrings by @sblauth in #695
• Update the documentation of the configuration by @sblauth in #740

Full Changelog: v2.6.1...v2.7.0