[ImgBot] Optimize images

*Total -- 266.03kb -> 245.04kb (7.89%)

/assets/images/icons/perplexity/with-magnifying-glass/purple-gradient/icon16.png -- 4.26kb -> 2.85kb (33.13%)
/assets/images/icons/perplexity/with-magnifying-glass/purple-gradient/icon32.png -- 6.92kb -> 5.23kb (24.41%)
/assets/images/icons/perplexity/with-magnifying-glass/purple-gradient/icon64.png -- 8.23kb -> 6.49kb (21.14%)
/assets/images/icons/perplexity/with-magnifying-glass/purple-gradient/icon128.png -- 14.69kb -> 12.66kb (13.79%)
/assets/images/icons/perplexity/with-magnifying-glass/purple-gradient/icon256.png -- 30.60kb -> 27.65kb (9.64%)
/assets/images/icons/perplexity/with-magnifying-glass/purple-gradient/icon512.png -- 65.05kb -> 60.38kb (7.17%)
/assets/images/icons/perplexity/with-magnifying-glass/purple-gradient/icon950.png -- 136.28kb -> 129.78kb (4.77%)

Signed-off-by: ImgBotApp <[email protected]>

Author: ImgBotApp