Electricity updates

[vahid-aryanpur]

• [x] Constrain 2023 and 2024 new capacity
• [x] Contact SEAI to request new grid-scale solar and onshore wind energy capacity additions in 2024 (and 2025 if necessary)
• [x] Check wind onshore from: https://windeurope.org/newsroom/news/ireland-makes-history-with-its-first-offshore-wind-auction/
• [x] Change BECCS start date to 2030
• [ ] Electricity gets to net zero by 2030
• [ ] Look into differences with previous study - likely will need natural gas to 2035

[BakytzhanSuleimenov]

BECCS start year updated to 2030 with the update from yesterday on "2019-2023 calib" branch