[ImgBot] Optimize images

*Total -- 685.80kb -> 592.77kb (13.56%)

/graphs/recap-time-dev-homepage/response-time-day.png -- 11.36kb -> 2.61kb (77%)
/graphs/static-cdn-for-our-websites/response-time-day.png -- 11.73kb -> 3.19kb (72.78%)
/graphs/vaultwarden/response-time-day.png -- 10.42kb -> 3.71kb (64.4%)
/graphs/golinks/response-time-day.png -- 11.85kb -> 4.22kb (64.36%)
/graphs/static-cdn-for-our-websites/response-time-week.png -- 13.65kb -> 11.68kb (14.39%)
/graphs/recap-time-dev-homepage/response-time-week.png -- 17.34kb -> 14.97kb (13.67%)
/graphs/golinks/response-time-week.png -- 16.17kb -> 14.08kb (12.97%)
/graphs/recap-time-dev-homepage/response-time.png -- 79.60kb -> 70.14kb (11.88%)
/graphs/recap-time-dev-homepage/response-time-year.png -- 79.60kb -> 70.14kb (11.88%)
/graphs/vaultwarden/response-time-week.png -- 14.91kb -> 13.18kb (11.62%)
/graphs/golinks/response-time-year.png -- 40.59kb -> 36.36kb (10.43%)
/graphs/golinks/response-time.png -- 40.59kb -> 36.36kb (10.43%)
/graphs/static-cdn-for-our-websites/response-time.png -- 84.32kb -> 76.18kb (9.65%)
/graphs/static-cdn-for-our-websites/response-time-year.png -- 84.32kb -> 76.18kb (9.65%)
/graphs/golinks/response-time-month.png -- 27.26kb -> 24.99kb (8.35%)
/graphs/static-cdn-for-our-websites/response-time-month.png -- 26.71kb -> 24.56kb (8.02%)
/graphs/vaultwarden/response-time-month.png -- 24.37kb -> 22.48kb (7.75%)
/graphs/recap-time-dev-homepage/response-time-month.png -- 27.18kb -> 25.67kb (5.59%)
/assets/upptime-icon.svg -- 0.34kb -> 0.32kb (3.78%)
/graphs/vaultwarden/response-time-year.png -- 31.75kb -> 30.87kb (2.77%)
/graphs/vaultwarden/response-time.png -- 31.75kb -> 30.87kb (2.77%)

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