New version: Sparlectra v0.4.12

[JuliaRegistrator]

• Registering package: Sparlectra
• Repository: https://github.com/Welthulk/Sparlectra.jl
• Created by: @Welthulk
• Version: v0.4.12
• Commit: 51791efc9928a0c9d22bd121ab9378a6e11bbeda
• Reviewed by: @Welthulk
• Reference: Version 0.4.12 Welthulk/Sparlectra.jl#31
• Description: load flow calculation using newton-raphson
• Release notes:

## Version 0.4.12 (2024-04-08)
### New Features
- added functions to facilitate the modification of networks.
- documentation available at https://sparlectra.github.io/Sparlectra.jl.

### Enhancements

### Bug Fixes
- print prosumers

[github-actions]

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