Do not run benchmarks on non-code changes

[ranocha]

See #244 (comment)

[github-actions]

Benchmark Results (Julia v1.10)

Time benchmarks

	main	3a5c16f...	main / 3a5c16f...
bbm_1d/bbm_1d_basic.jl - rhs!:	12.7 ± 1.2 μs	12.9 ± 0.6 μs	0.983 ± 0.1
bbm_1d/bbm_1d_fourier.jl - rhs!:	0.248 ± 0.0076 ms	0.248 ± 0.0068 ms	0.998 ± 0.041
bbm_bbm_1d/bbm_bbm_1d_basic_reflecting.jl - rhs!:	0.0845 ± 0.012 ms	0.0852 ± 0.0037 ms	0.991 ± 0.15
bbm_bbm_1d/bbm_bbm_1d_dg.jl - rhs!:	0.0323 ± 0.00054 ms	0.0324 ± 0.00095 ms	0.997 ± 0.034
bbm_bbm_1d/bbm_bbm_1d_relaxation.jl - rhs!:	25.5 ± 1.4 μs	25.5 ± 1.2 μs	0.998 ± 0.074
bbm_bbm_1d/bbm_bbm_1d_upwind_relaxation.jl - rhs!:	0.0327 ± 0.0016 ms	0.0321 ± 0.0018 ms	1.02 ± 0.076
hyperbolic_serre_green_naghdi_1d/hyperbolic_serre_green_naghdi_dingemans.jl - rhs!:	5.71 ± 0.2 μs	5.92 ± 0.38 μs	0.964 ± 0.07
kdv_1d/kdv_1d_basic.jl - rhs!:	2.22 ± 0.083 μs	1.74 ± 0.062 μs	1.27 ± 0.066
kdv_1d/kdv_1d_implicit.jl - rhs!:	1.82 ± 0.026 μs	1.78 ± 0.088 μs	1.02 ± 0.053
serre_green_naghdi_1d/serre_green_naghdi_well_balanced.jl - rhs!:	0.215 ± 0.016 ms	0.209 ± 0.015 ms	1.03 ± 0.11
svaerd_kalisch_1d/svaerd_kalisch_1d_dingemans_relaxation.jl - rhs!:	0.159 ± 0.011 ms	0.157 ± 0.011 ms	1.02 ± 0.098
time_to_load	1.89 ± 0.012 s	1.9 ± 0.017 s	0.999 ± 0.011

Memory benchmarks

	main	3a5c16f...	main / 3a5c16f...
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

[JoshuaLampert]

Thanks!

[JoshuaLampert]

Thanks!