Update CI to test on Julia 1, lts, and pre versions

[ChrisRackauckas]

Summary

• Uncomment 'pre' version testing in CI matrix
• Aligns with SciML ecosystem standards for testing on Julia 1, lts, and pre versions

Test plan

• Validate YAML syntax
• Verify CI passes on all Julia versions after merge

🤖 Generated with Claude Code

[github-actions]

Benchmark Results

Click to check benchmark results

	master	e47733c...	master / e47733c...
Simple Pendulum/IIP/BoundaryValueDiffEqMIRK.MIRK2()	0.588 ± 0.014 s	0.59 ± 0.021 s	0.996 ± 0.042
Simple Pendulum/IIP/BoundaryValueDiffEqMIRK.MIRK3()	13.7 ± 0.47 ms	13.8 ± 0.48 ms	0.992 ± 0.049
Simple Pendulum/IIP/BoundaryValueDiffEqMIRK.MIRK4()	3.13 ± 0.16 ms	3.18 ± 0.15 ms	0.985 ± 0.069
Simple Pendulum/IIP/BoundaryValueDiffEqMIRK.MIRK5()	9.32 ± 1.3 ms	9.35 ± 1.3 ms	0.997 ± 0.2
Simple Pendulum/IIP/BoundaryValueDiffEqMIRK.MIRK6()	1.62 ± 0.29 ms	1.64 ± 0.29 ms	0.988 ± 0.25
Simple Pendulum/IIP/MultipleShooting(10, Tsit5; grid_coarsening = false)	1.89 ± 0.66 ms	1.84 ± 0.65 ms	1.03 ± 0.51
Simple Pendulum/IIP/MultipleShooting(10, Tsit5; grid_coarsening = true)	3.19 ± 1 ms	3.1 ± 0.96 ms	1.03 ± 0.46
Simple Pendulum/IIP/MultipleShooting(100, Tsit5; grid_coarsening = false)	0.0681 ± 0.0072 s	0.0658 ± 0.0068 s	1.03 ± 0.15
Simple Pendulum/IIP/MultipleShooting(100, Tsit5; grid_coarsening = true)	0.0817 ± 0.0069 s	0.0793 ± 0.0061 s	1.03 ± 0.12
Simple Pendulum/IIP/Shooting(Tsit5())	0.245 ± 0.077 ms	0.235 ± 0.076 ms	1.05 ± 0.47
Simple Pendulum/OOP/BoundaryValueDiffEqMIRK.MIRK2()	0.749 ± 0.0073 s	0.743 ± 0.005 s	1.01 ± 0.012
Simple Pendulum/OOP/BoundaryValueDiffEqMIRK.MIRK3()	16.8 ± 5.3 ms	16.6 ± 5.2 ms	1.01 ± 0.45
Simple Pendulum/OOP/BoundaryValueDiffEqMIRK.MIRK4()	3.63 ± 0.25 ms	3.65 ± 0.19 ms	0.994 ± 0.086
Simple Pendulum/OOP/BoundaryValueDiffEqMIRK.MIRK5()	10.9 ± 1.1 ms	10.9 ± 1 ms	1 ± 0.14
Simple Pendulum/OOP/BoundaryValueDiffEqMIRK.MIRK6()	1.86 ± 0.18 ms	1.86 ± 0.16 ms	0.998 ± 0.13
Simple Pendulum/OOP/MultipleShooting(10, Tsit5; grid_coarsening = false)	3.54 ± 3 ms	3.54 ± 2.9 ms	1 ± 1.2
Simple Pendulum/OOP/MultipleShooting(10, Tsit5; grid_coarsening = true)	6.08 ± 5.1 ms	6.04 ± 5 ms	1.01 ± 1.2
Simple Pendulum/OOP/MultipleShooting(100, Tsit5; grid_coarsening = false)	0.118 ± 0.003 s	0.119 ± 0.0055 s	0.997 ± 0.053
Simple Pendulum/OOP/MultipleShooting(100, Tsit5; grid_coarsening = true)	0.144 ± 0.0063 s	0.146 ± 0.0091 s	0.988 ± 0.075
Simple Pendulum/OOP/Shooting(Tsit5())	0.637 ± 0.037 ms	0.636 ± 0.035 ms	1 ± 0.08
time_to_load	5.36 ± 0.031 s	5.41 ± 0.029 s	0.99 ± 0.0077

### Benchmark Plots A plot of the benchmark results has been uploaded as an artifact to the workflow run for this PR. Go to "Actions"->"Benchmark a pull request"->[the most recent run]->"Artifacts" (at the bottom).