Release 8 new icons and 1 updated icon (v15.16.0)

8 new icons

• Anime.js (#13197) (@prem-k-r)
• Garuda Linux (#13446) (@PeterShaggyNoble)
• LiveKit (#13597) (@prem-k-r)
• Optuna (#13448) (@PeterShaggyNoble)
• Pinia (#13484) (@prem-k-r)
• Skeleton (#13541) (@PeterShaggyNoble)
• Smoothcomp (#13422) (@prem-k-r)
• Unstop (#13537) (@PeterShaggyNoble)

1 updated icon

• Lua (#13828) (@Kraggle09)