test CI on Julia v1.11 release candidate

[github-actions[bot]]

Review checklist

This checklist is meant to assist creators of PRs (to let them know what reviewers will typically look for) and reviewers (to guide them in a structured review process). Items do not need to be checked explicitly for a PR to be eligible for merging.

Purpose and scope

• [ ] The PR has a single goal that is clear from the PR title and/or description.
• [ ] All code changes represent a single set of modifications that logically belong together.
• [ ] No more than 500 lines of code are changed or there is no obvious way to split the PR into multiple PRs.

Code quality

• [ ] The code can be understood easily.
• [ ] Newly introduced names for variables etc. are self-descriptive and consistent with existing naming conventions.
• [ ] There are no redundancies that can be removed by simple modularization/refactoring.
• [ ] There are no leftover debug statements or commented code sections.
• [ ] The code adheres to our conventions and style guide, and to the Julia guidelines.

Documentation

• [ ] New functions and types are documented with a docstring or top-level comment.
• [ ] Relevant publications are referenced in docstrings (see example for formatting).
• [ ] Inline comments are used to document longer or unusual code sections.
• [ ] Comments describe intent ("why?") and not just functionality ("what?").
• [ ] If the PR introduces a significant change or new feature, it is documented in NEWS.md with its PR number.

Testing

• [ ] The PR passes all tests.
• [ ] New or modified lines of code are covered by tests.
• [ ] New or modified tests run in less then 10 seconds.

Performance

• [ ] There are no type instabilities or memory allocations in performance-critical parts.
• [ ] If the PR intent is to improve performance, before/after time measurements are posted in the PR.

Verification

• [ ] The correctness of the code was verified using appropriate tests.
• [ ] If new equations/methods are added, a convergence test has been run and the results are posted in the PR.

Created with :heart: by the Trixi.jl community.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 78.48%. Comparing base (def208b) to head (d366488). Report is 6 commits behind head on main.

:exclamation: There is a different number of reports uploaded between BASE (def208b) and HEAD (d366488). Click for more details.

HEAD has 4 uploads less than BASE

| Flag | BASE (def208b) | HEAD (d366488) | |------|------|------| |unittests|26|22|

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1993 +/- ## =========================================== - Coverage 96.16% 78.48% -17.68% =========================================== Files 460 460 Lines 36980 36925 -55 =========================================== - Hits 35560 28977 -6583 - Misses 1420 7948 +6528 ``` | [Flag](https://app.codecov.io/gh/trixi-framework/Trixi.jl/pull/1993/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=trixi-framework) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/trixi-framework/Trixi.jl/pull/1993/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=trixi-framework) | `78.48% <ø> (-17.68%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=trixi-framework#carryforward-flags-in-the-pull-request-comment) to find out more.

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[ranocha]

Failing tests

• Some subcell shock capturing stuff, e.g., https://github.com/trixi-framework/Trixi.jl/actions/runs/9692165350/job/26744972436?pr=1993#step:7:5515
• elixir_advection_extended.jl with periodic operators: https://github.com/trixi-framework/Trixi.jl/actions/runs/9692165350/job/26744973234?pr=1993#step:7:3203
• Some UnstructuredMesh2D tests: https://github.com/trixi-framework/Trixi.jl/actions/runs/9692165350/job/26744974476?pr=1993#step:7:16478
• Some parabolic tests: https://github.com/trixi-framework/Trixi.jl/actions/runs/9692165350/job/26744974706?pr=1993#step:7:12597
• t8code still segfaults