chore: [ImgBot] Optimize images (#1273)

*Total -- 38.23kb -> 23.07kb (39.67%)

/src/main/resources/assets/occultism/textures/entity/demonic_husband.png -- 4.75kb -> 2.38kb (49.84%)
/src/main/resources/assets/occultism/textures/entity/iesnium_golem.png -- 10.49kb -> 5.33kb (49.21%)
/src/main/resources/assets/occultism/textures/block/tallow_block.png -- 4.44kb -> 2.92kb (34.13%)
/src/main/resources/assets/occultism/textures/item/mysterious_egg_icon.png -- 4.24kb -> 2.80kb (33.95%)
/src/main/resources/assets/occultism/textures/gui/book/iesnium_golem.png -- 5.19kb -> 3.44kb (33.66%)
/src/main/resources/assets/occultism/textures/block/iesnium_anvil_top.png -- 4.34kb -> 2.88kb (33.64%)
/src/main/resources/assets/occultism/textures/block/otherglass.png -- 4.11kb -> 2.83kb (31.28%)
/src/main/resources/assets/occultism/textures/item/trinity_gem.png -- 0.67kb -> 0.48kb (27.82%)

Signed-off-by: ImgBotApp <ImgBotHelp@gmail.com>
Co-authored-by: ImgBotApp <ImgBotHelp@gmail.com>