Implementes structured update

[mmikhasenko]

Closes #303

This PR adds update_component_array, a utility function that enables an update to ComponentArray values while maintaining type and structure.

Checklist

• [x] Appropriate tests were added

• [x] Any code changes were done in a way that does not break public API

The PR adds a new exported method update_component_array

• [x] All documentation related to code changes were updated

looking for a related code. The closest is the Optimisers.update method. It does something different - updates the tree.

• [x] The new code follows the contributor guidelines, in particular the SciML Style Guide and COLPRAC.
• [x] Any new documentation only uses public API

[mmikhasenko]

Ready for the review

[mmikhasenko]

Remind myself that this issue and PR exists.