Bump version to v1.19.0

[ChrisRackauckas-Claude]

Summary

• Bumps version from 1.18.0 to 1.19.0 to release changes already on master that were not included in any registered version:
  • PR Update OrdinaryDiffEqDifferentiation requirement from 1.16 to 1.16, 2.0 in the all-julia-packages group across 1 directory #121: OrdinaryDiffEqDifferentiation compat bumped to include v2.0
  • PR Fix deprecation warnings #122: Fix deprecation warnings

Motivation

The registered v1.18.0 has OrdinaryDiffEqDifferentiation = "1.16.0 - 1" in the registry, which caps OrdinaryDiffEqDifferentiation at v1.x. This prevents the Julia resolver from picking OrdinaryDiffEq v6.108 (which requires OrdinaryDiffEqDifferentiation v2) in any environment that includes MultiScaleArrays.

This is blocking DiffEqBase downstream CI from resolving OrdinaryDiffEqRosenbrock v1.24 (see https://github.com/SciML/DiffEqBase.jl/actions/runs/22308858783).

After merge

Please register v1.19.0 with @JuliaRegistrator register.

Test plan

• No code changes, just version bump — all code changes were already merged and tested in PRs Update OrdinaryDiffEqDifferentiation requirement from 1.16 to 1.16, 2.0 in the all-julia-packages group across 1 directory #121 and Fix deprecation warnings #122

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[JuliaRegistrator]

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