[ImgBot] Optimize images

*Total -- 503.63kb -> 456.70kb (9.32%)

/graphs/vaultwarden/response-time-day.png -- 12.28kb -> 3.72kb (69.67%)
/graphs/static-cdn-for-our-websites/response-time-day.png -- 11.61kb -> 4.22kb (63.67%)
/graphs/golinks/response-time-day.png -- 10.75kb -> 4.22kb (60.71%)
/graphs/recap-time-dev-homepage/response-time-day.png -- 9.26kb -> 4.48kb (51.58%)
/graphs/golinks/response-time-week.png -- 14.65kb -> 12.56kb (14.22%)
/graphs/recap-time-dev-homepage/response-time-week.png -- 19.01kb -> 16.50kb (13.21%)
/graphs/static-cdn-for-our-websites/response-time-week.png -- 15.12kb -> 13.48kb (10.88%)
/graphs/recap-time-dev-homepage/response-time-month.png -- 19.61kb -> 18.36kb (6.37%)
/graphs/static-cdn-for-our-websites/response-time.png -- 51.17kb -> 48.63kb (4.95%)
/graphs/golinks/response-time.png -- 42.57kb -> 40.80kb (4.17%)
/graphs/golinks/response-time-year.png -- 38.87kb -> 37.28kb (4.08%)
/graphs/static-cdn-for-our-websites/response-time-month.png -- 19.48kb -> 18.70kb (4.01%)
/assets/upptime-icon.svg -- 0.34kb -> 0.32kb (3.78%)
/graphs/golinks/response-time-month.png -- 17.25kb -> 16.64kb (3.55%)
/graphs/recap-time-dev-homepage/response-time.png -- 45.53kb -> 44.06kb (3.24%)
/graphs/recap-time-dev-homepage/response-time-year.png -- 45.73kb -> 44.39kb (2.91%)
/graphs/vaultwarden/response-time-week.png -- 19.87kb -> 19.32kb (2.77%)
/graphs/vaultwarden/response-time-month.png -- 23.59kb -> 23.12kb (1.99%)
/graphs/static-cdn-for-our-websites/response-time-year.png -- 50.95kb -> 49.96kb (1.95%)
/graphs/vaultwarden/response-time-year.png -- 36.01kb -> 35.93kb (0.22%)

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