Add Missing PyCon Israel Conferences

[ELC]

2021 - https://www.youtube.com/playlist?list=PLnOlTVPC-yFzm19M5g36GZSg3nam8g6nT
2022 - https://www.youtube.com/playlist?list=PLnOlTVPC-yFzPaWerUuK18Ejp7HULJR3k
2023 - https://www.youtube.com/playlist?list=PLnOlTVPC-yFwhpiyjsC0V_98pqRbtwNgh
2024 - https://www.youtube.com/playlist?list=PLnOlTVPC-yFx3DGlDn4sXkQvNFlL_vb5A