[ImgBot] Optimize images

*Total -- 455.19kb -> 407.49kb (10.48%)

/graphs/recap-time-dev-homepage/response-time-day.png -- 11.56kb -> 3.17kb (72.62%)
/graphs/golinks/response-time-day.png -- 11.71kb -> 3.92kb (66.48%)
/graphs/static-cdn-for-our-websites/response-time-day.png -- 11.97kb -> 4.44kb (62.94%)
/graphs/vaultwarden/response-time-day.png -- 12.16kb -> 4.54kb (62.65%)
/graphs/vaultwarden/response-time-week.png -- 16.81kb -> 14.32kb (14.82%)
/graphs/golinks/response-time-week.png -- 14.28kb -> 13.26kb (7.14%)
/graphs/vaultwarden/response-time-month.png -- 20.06kb -> 18.69kb (6.82%)
/graphs/recap-time-dev-homepage/response-time-month.png -- 18.76kb -> 17.77kb (5.27%)
/graphs/recap-time-dev-homepage/response-time-week.png -- 15.20kb -> 14.54kb (4.33%)
/graphs/golinks/response-time-month.png -- 17.50kb -> 16.75kb (4.28%)
/assets/upptime-icon.svg -- 0.34kb -> 0.32kb (3.78%)
/graphs/golinks/response-time-year.png -- 38.59kb -> 37.17kb (3.68%)
/graphs/static-cdn-for-our-websites/response-time.png -- 49.84kb -> 48.05kb (3.6%)
/graphs/static-cdn-for-our-websites/response-time-week.png -- 15.03kb -> 14.49kb (3.59%)
/graphs/recap-time-dev-homepage/response-time.png -- 45.14kb -> 43.61kb (3.39%)
/graphs/golinks/response-time.png -- 42.31kb -> 40.98kb (3.15%)
/graphs/recap-time-dev-homepage/response-time-year.png -- 45.28kb -> 44.12kb (2.56%)
/graphs/static-cdn-for-our-websites/response-time-year.png -- 50.07kb -> 49.07kb (1.99%)
/graphs/static-cdn-for-our-websites/response-time-month.png -- 18.59kb -> 18.28kb (1.68%)

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