[ImgBot] Optimize images

*Total -- 96.36kb -> 77.33kb (19.74%)

/assets/minecraft/textures/gui/sprites/hud/hotbar_offhand_right.png -- 0.88kb -> 0.28kb (68.23%)
/assets/minecraft/textures/gui/sprites/hud/hotbar_offhand_left.png -- 0.88kb -> 0.28kb (68.19%)
/assets/minecraft/textures/gui/sprites/hud/hotbar.png -- 0.88kb -> 0.29kb (67.07%)
/assets/minecraft/textures/gui/sprites/hud/hotbar_selection.png -- 0.88kb -> 0.32kb (63.43%)
/assets/minecraft/textures/gui/sprites/icon/draft_report.png -- 0.93kb -> 0.36kb (61.16%)
/assets/minecraft/textures/gui/sprites/widget/page_forward.png -- 0.96kb -> 0.38kb (60.43%)
/assets/minecraft/textures/gui/sprites/widget/page_backward.png -- 0.96kb -> 0.38kb (60.31%)
/assets/minecraft/textures/gui/sprites/widget/page_backward_highlighted.png -- 0.94kb -> 0.38kb (59.65%)
/assets/minecraft/textures/gui/sprites/widget/page_forward_highlighted.png -- 0.94kb -> 0.38kb (59.48%)
/assets/minecraft/textures/gui/sprites/widget/locked_button_disabled.png -- 1.09kb -> 0.45kb (58.7%)
/assets/minecraft/textures/gui/sprites/widget/unlocked_button_disabled.png -- 1.09kb -> 0.45kb (58.7%)
/assets/minecraft/textures/gui/sprites/widget/unlocked_button_highlighted.png -- 1.14kb -> 0.51kb (55.27%)
/assets/minecraft/textures/gui/sprites/widget/locked_button_highlighted.png -- 1.15kb -> 0.51kb (55.2%)
/assets/minecraft/textures/gui/sprites/widget/locked_button.png -- 1.12kb -> 0.50kb (54.98%)
/assets/minecraft/textures/gui/sprites/widget/unlocked_button.png -- 1.11kb -> 0.51kb (54.35%)
/assets/minecraft/textures/gui/sprites/widget/button_disabled.png -- 2.39kb -> 1.33kb (44.14%)
/assets/minecraft/textures/gui/sprites/widget/button_highlighted.png -- 3.27kb -> 1.95kb (40.41%)
/assets/minecraft/textures/gui/sprites/widget/button.png -- 2.98kb -> 1.94kb (34.74%)
/assets/minecraft/textures/gui/sprites/hud/jump_bar_progress.png -- 4.54kb -> 3.97kb (12.57%)
/assets/minecraft/textures/gui/icons.png -- 33.05kb -> 30.08kb (8.98%)
/assets/minecraft/textures/gui_old/icons.png -- 33.05kb -> 30.08kb (8.98%)
/assets/minecraft/textures/gui/sprites/hud/experience_bar_progress.png -- 2.14kb -> 1.99kb (7.12%)

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