Change typeof(x) <: y to x isa y

[pepijndevos]

This PR has been automatically generated by a script co-authored by ChatGPT

[codecov]

Codecov Report

Merging #536 (e037ef6) into master (fe88c15) will increase coverage by 33.21%.
Report is 113 commits behind head on master.
The diff coverage is 64.17%.

@@             Coverage Diff             @@
##           master     #536       +/-   ##
===========================================
+ Coverage   19.26%   52.48%   +33.21%     
===========================================
  Files          50       54        +4     
  Lines        3753     3986      +233     
===========================================
+ Hits          723     2092     +1369     
+ Misses       3030     1894     -1136     

Files	Coverage Δ
src/ensemble/basic_ensemble_solve.jl	61.81% <100.00%> (+61.81%)	⬆️
src/problems/discrete_problems.jl	80.00% <ø> (+21.66%)	⬆️
src/problems/problem_utils.jl	20.45% <ø> (+17.04%)	⬆️
src/remake.jl	52.40% <ø> (+16.40%)	⬆️
src/scimlfunctions.jl	62.35% <ø> (+33.68%)	⬆️
src/solutions/ode_solutions.jl	80.74% <ø> (+17.18%)	⬆️
src/solutions/rode_solutions.jl	64.38% <100.00%> (+64.38%)	⬆️
src/operators/diffeq_operator.jl	17.04% <50.00%> (+17.04%)	⬆️
src/ensemble/ensemble_solutions.jl	29.62% <0.00%> (+29.62%)	⬆️
src/solutions/solution_interface.jl	54.70% <90.00%> (+46.31%)	⬆️
... and 3 more

... and 37 files with indirect coverage changes

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