Fix JET.jl tests

[JoshuaLampert]

Currently, we are seeing JET.jl tests failing, e.g. here. This PR should fix that.

[github-actions]

Benchmark Results (Julia v1.10)

Time benchmarks

	main	858e76f...	main / 858e76f...
bbm_1d/bbm_1d_basic.jl - rhs!:	13.8 ± 0.31 μs	14 ± 0.32 μs	0.983 ± 0.032
bbm_1d/bbm_1d_fourier.jl - rhs!:	0.528 ± 0.01 ms	0.237 ± 0.32 ms	2.23 ± 3
bbm_bbm_1d/bbm_bbm_1d_basic_reflecting.jl - rhs!:	0.0805 ± 0.00044 ms	0.0805 ± 0.002 ms	1 ± 0.025
bbm_bbm_1d/bbm_bbm_1d_dg.jl - rhs!:	0.0344 ± 0.00055 ms	0.0341 ± 0.00055 ms	1.01 ± 0.023
bbm_bbm_1d/bbm_bbm_1d_relaxation.jl - rhs!:	27.7 ± 0.53 μs	27.3 ± 0.46 μs	1.02 ± 0.026
bbm_bbm_1d/bbm_bbm_1d_upwind_relaxation.jl - rhs!:	0.0486 ± 0.0006 ms	0.0486 ± 0.00065 ms	0.999 ± 0.018
hyperbolic_serre_green_naghdi_1d/hyperbolic_serre_green_naghdi_dingemans.jl - rhs!:	4.33 ± 0.05 μs	4.39 ± 0.03 μs	0.986 ± 0.013
kdv_1d/kdv_1d_basic.jl - rhs!:	1.42 ± 0.02 μs	1.47 ± 0.011 μs	0.967 ± 0.015
kdv_1d/kdv_1d_implicit.jl - rhs!:	1.41 ± 0.019 μs	1.46 ± 0.03 μs	0.966 ± 0.024
serre_green_naghdi_1d/serre_green_naghdi_well_balanced.jl - rhs!:	0.199 ± 0.0083 ms	0.202 ± 0.0083 ms	0.984 ± 0.058
svaerd_kalisch_1d/svaerd_kalisch_1d_dingemans_relaxation.jl - rhs!:	0.148 ± 0.004 ms	0.147 ± 0.0042 ms	1 ± 0.04
time_to_load	2.18 ± 0.0083 s	2.18 ± 0.011 s	0.996 ± 0.0064

Memory benchmarks

	main	858e76f...	main / 858e76f...
bbm_1d/bbm_1d_basic.jl - rhs!:	1 allocs: 4.12 kB	1 allocs: 4.12 kB	1
bbm_1d/bbm_1d_fourier.jl - rhs!:	1 allocs: 4.12 kB	1 allocs: 4.12 kB	1
bbm_bbm_1d/bbm_bbm_1d_basic_reflecting.jl - rhs!:	5 allocs: 1.17 kB	5 allocs: 1.17 kB	1
bbm_bbm_1d/bbm_bbm_1d_dg.jl - rhs!:	10 allocs: 8.62 kB	10 allocs: 8.62 kB	1
bbm_bbm_1d/bbm_bbm_1d_relaxation.jl - rhs!:	2 allocs: 8.25 kB	2 allocs: 8.25 kB	1
bbm_bbm_1d/bbm_bbm_1d_upwind_relaxation.jl - rhs!:	2 allocs: 8.25 kB	2 allocs: 8.25 kB	1
hyperbolic_serre_green_naghdi_1d/hyperbolic_serre_green_naghdi_dingemans.jl - rhs!:	0 allocs: 0 B	0 allocs: 0 B
kdv_1d/kdv_1d_basic.jl - rhs!:	0 allocs: 0 B	0 allocs: 0 B
kdv_1d/kdv_1d_implicit.jl - rhs!:	0 allocs: 0 B	0 allocs: 0 B
serre_green_naghdi_1d/serre_green_naghdi_well_balanced.jl - rhs!:	0.075 k allocs: 0.66 MB	0.075 k allocs: 0.66 MB	1
svaerd_kalisch_1d/svaerd_kalisch_1d_dingemans_relaxation.jl - rhs!:	0.042 k allocs: 0.315 MB	0.042 k allocs: 0.315 MB	1
time_to_load	0.153 k allocs: 14.5 kB	0.153 k allocs: 14.5 kB	1

[codecov-commenter]

Codecov Report

❌ Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/callbacks_step/relaxation.jl	50.00%	1 Missing ⚠️

📢 Thoughts on this report? Let us know!

[ranocha]

Thanks