[ImgBot] Optimize images

*Total -- 537.29kb -> 491.81kb (8.46%)

/graphs/recap-time-dev-homepage/response-time-day.png -- 11.01kb -> 2.92kb (73.5%)
/graphs/static-cdn-for-our-websites/response-time-day.png -- 10.29kb -> 4.39kb (57.33%)
/graphs/vaultwarden/response-time-day.png -- 8.44kb -> 4.14kb (50.9%)
/graphs/vaultwarden/response-time-week.png -- 18.10kb -> 14.94kb (17.43%)
/graphs/recap-time-dev-homepage/response-time-week.png -- 18.29kb -> 15.17kb (17.11%)
/graphs/golinks/response-time-day.png -- 11.35kb -> 9.89kb (12.87%)
/graphs/golinks/response-time-week.png -- 15.45kb -> 13.75kb (11.01%)
/graphs/recap-time-dev-homepage/response-time.png -- 50.28kb -> 46.50kb (7.51%)
/graphs/static-cdn-for-our-websites/response-time-week.png -- 15.34kb -> 14.23kb (7.23%)
/graphs/golinks/response-time-month.png -- 19.28kb -> 17.92kb (7.05%)
/graphs/recap-time-dev-homepage/response-time-month.png -- 29.19kb -> 27.16kb (6.97%)
/graphs/vaultwarden/response-time-month.png -- 28.21kb -> 26.44kb (6.27%)
/graphs/golinks/response-time.png -- 45.40kb -> 42.99kb (5.32%)
/assets/upptime-icon.svg -- 0.34kb -> 0.32kb (3.78%)
/graphs/golinks/response-time-year.png -- 44.34kb -> 42.79kb (3.51%)
/graphs/recap-time-dev-homepage/response-time-year.png -- 53.58kb -> 52.10kb (2.78%)
/graphs/static-cdn-for-our-websites/response-time-year.png -- 65.70kb -> 64.45kb (1.9%)
/graphs/static-cdn-for-our-websites/response-time.png -- 62.40kb -> 61.72kb (1.1%)
/graphs/static-cdn-for-our-websites/response-time-month.png -- 30.30kb -> 30.00kb (0.99%)

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