[ImgBot] Optimize images (#1053)

*Total -- 16,410.47kb -> 15,432.38kb (5.96%)

/public/favicon512x512_blue.png -- 86.14kb -> 58.49kb (32.1%)
/public/favicon512x512_red.png -- 91.37kb -> 62.79kb (31.27%)
/public/images/public/board/Thijs.jpg -- 205.71kb -> 179.56kb (12.71%)
/public/images/public/board/Tijmen.jpg -- 194.20kb -> 171.05kb (11.92%)
/public/favicon128x128_blue.png -- 13.50kb -> 11.94kb (11.6%)
/public/favicon192x192_blue.png -- 21.18kb -> 18.86kb (10.97%)
/public/favicon128x128_red.png -- 10.76kb -> 9.61kb (10.65%)
/public/favicon192x192_red.png -- 17.27kb -> 15.50kb (10.29%)
/public/favicon96x96_blue.png -- 9.66kb -> 8.75kb (9.34%)
/public/images/public/identity/banner.jpg -- 862.51kb -> 783.35kb (9.18%)
/public/favicon96x96_red.png -- 7.82kb -> 7.13kb (8.88%)
/public/favicon64x64_blue.png -- 5.81kb -> 5.34kb (8.18%)
/public/favicon64x64_red.png -- 4.76kb -> 4.44kb (6.73%)
/public/images/public/board/banner.jpg -- 9,446.19kb -> 8,835.00kb (6.47%)
/public/favicon48x48_blue.png -- 4.10kb -> 3.86kb (5.75%)
/public/images/public/board/Jorai.jpg -- 238.02kb -> 224.88kb (5.52%)
/public/images/public/board/Joost.jpg -- 225.16kb -> 213.19kb (5.31%)
/public/images/public/board/Maarten.jpg -- 244.50kb -> 231.84kb (5.18%)
/public/images/pakkerij.jpeg -- 397.26kb -> 378.73kb (4.66%)
/public/favicon48x48_red.png -- 3.43kb -> 3.31kb (3.44%)
/public/images/public/identity/verantwoordelijkheid.jpg -- 2,160.56kb -> 2,102.38kb (2.69%)
/public/images/public/index/verantwoordelijkheid.jpg -- 2,160.56kb -> 2,102.38kb (2.69%)

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

Author: imgbot[bot]