Prepare for release of `v0.15.0-alpha`#1094

ViktorT-11 merged 6 commits intolightninglabs:masterlightninglabs/lightning-terminal:masterfrom

ViktorT-11:2025-06-bump-lit-to-v.0.15.0ViktorT-11/lightning-terminal:2025-06-bump-lit-to-v.0.15.0Copy head branch name to clipboard