build: support OrderedCollections@2

[AayushSabharwal]

Checklist

• Appropriate tests were added
• Any code changes were done in a way that does not break public API
• All documentation related to code changes were updated
• The new code follows the
  contributor guidelines, in particular the SciML Style Guide and
  COLPRAC.
• Any new documentation only uses public API

Additional context

Add any other context about the problem here.

[github-actions]

Benchmark Results (Julia vlts)

Time benchmarks

	master	42b6e41...	master / 42b6e41...
ODEProblem	5.56 ± 0.7 ms	6.04 ± 1.2 ms	0.921 ± 0.21
init	0.0962 ± 0.035 ms	0.104 ± 0.03 ms	0.922 ± 0.43
large_parameter_init/ODEProblem	29 ± 6 ms	28.2 ± 6.1 ms	1.03 ± 0.31
large_parameter_init/init	0.124 ± 0.046 ms	0.114 ± 0.045 ms	1.09 ± 0.6
mtkcompile	9.64 ± 1.3 ms	10.6 ± 1.9 ms	0.912 ± 0.21
sparse_analytical_jacobian/ODEProblem	28.9 ± 3.7 ms	31.5 ± 5.9 ms	0.917 ± 0.21
sparse_analytical_jacobian/f_iip	0.07 ± 0.01 μs	0.07 ± 0.01 μs	1 ± 0.2
sparse_analytical_jacobian/f_oop	0.374 ± 0.011 ms	0.375 ± 0.016 ms	0.997 ± 0.053
time_to_load	6.37 ± 0.35 s	6.49 ± 0.27 s	0.981 ± 0.067

Memory benchmarks

	master	42b6e41...	master / 42b6e41...
ODEProblem	0.0376 M allocs: 1.92 MB	0.0376 M allocs: 1.94 MB	0.991
init	0.417 k allocs: 0.0698 MB	0.417 k allocs: 0.0698 MB	1
large_parameter_init/ODEProblem	0.325 M allocs: 11.4 MB	0.325 M allocs: 11.4 MB	1
large_parameter_init/init	0.605 k allocs: 0.172 MB	0.605 k allocs: 0.172 MB	1
mtkcompile	0.0618 M allocs: 3.43 MB	0.0618 M allocs: 3.43 MB	1
sparse_analytical_jacobian/ODEProblem	0.193 M allocs: 7.95 MB	0.193 M allocs: 7.93 MB	1
sparse_analytical_jacobian/f_iip	0 allocs: 0 B	0 allocs: 0 B
sparse_analytical_jacobian/f_oop	0.634 k allocs: 19.6 kB	0.634 k allocs: 19.6 kB	1
time_to_load	0.153 k allocs: 14.6 kB	0.153 k allocs: 14.6 kB	1

[github-actions]

Benchmark Results (Julia v1)

Time benchmarks

	master	42b6e41...	master / 42b6e41...
ODEProblem	6.72 ± 1.2 ms	5.24 ± 0.76 ms	1.28 ± 0.3
init	0.0813 ± 0.014 ms	0.0759 ± 0.0099 ms	1.07 ± 0.23
large_parameter_init/ODEProblem	0.0385 ± 0.0061 s	27.7 ± 6.3 ms	1.39 ± 0.39
large_parameter_init/init	0.0958 ± 0.037 ms	0.0937 ± 0.04 ms	1.02 ± 0.58
mtkcompile	12.5 ± 2.5 ms	7.9 ± 0.71 ms	1.58 ± 0.35
sparse_analytical_jacobian/ODEProblem	0.0321 ± 0.0067 s	24 ± 4.1 ms	1.34 ± 0.36
sparse_analytical_jacobian/f_iip	0.09 ± 0 μs	0.08 ± 0 μs	1.12 ± 0
sparse_analytical_jacobian/f_oop	0.13 ± 0.016 ms	0.122 ± 0.014 ms	1.07 ± 0.18
time_to_load	7.37 ± 0.45 s	6.3 ± 0.18 s	1.17 ± 0.078

Memory benchmarks

	master	42b6e41...	master / 42b6e41...
ODEProblem	0.0375 M allocs: 1.7 MB	0.0375 M allocs: 1.7 MB	1
init	0.416 k allocs: 0.0518 MB	0.416 k allocs: 0.0518 MB	1
large_parameter_init/ODEProblem	0.352 M allocs: 12.8 MB	0.352 M allocs: 12.8 MB	1
large_parameter_init/init	0.799 k allocs: 0.152 MB	0.799 k allocs: 0.152 MB	1
mtkcompile	0.0598 M allocs: 2.75 MB	0.0598 M allocs: 2.75 MB	1
sparse_analytical_jacobian/ODEProblem	0.186 M allocs: 6.89 MB	0.186 M allocs: 6.89 MB	1
sparse_analytical_jacobian/f_iip	0 allocs: 0 B	0 allocs: 0 B
sparse_analytical_jacobian/f_oop	0.848 k allocs: 27 kB	0.848 k allocs: 27 kB	1
time_to_load	0.146 k allocs: 11.4 kB	0.146 k allocs: 11.4 kB	1