v5.16.0

NeuralPDE v5.16.0

Diff since v5.15.0

Merged pull requests:

• chore: format the whole repo (#841) (@sathvikbhagavan)
• build(deps): bump julia-actions/setup-julia from 1 to 2 (#843) (@dependabot[bot])
• ci: add NNODE, NeuralAdapter, IntegroDiff in GHA from buildkite to have them in Downgrade CI (#845) (@sathvikbhagavan)
• Tag the original solution to sol.original and simplify dependencies (#846) (@ChrisRackauckas)

Closed issues:

• Neural Adaptor tests set as @test_broken (#513)
• Multithreaded test suite (#706)
• Add support for equations with complex numbers (#821)