[ImgBot] Optimize images

*Total -- 526.38kb -> 472.69kb (10.2%)

/graphs/recap-time-dev-homepage/response-time-day.png -- 11.64kb -> 3.32kb (71.48%)
/graphs/golinks/response-time-day.png -- 11.98kb -> 4.06kb (66.08%)
/graphs/vaultwarden/response-time-day.png -- 11.55kb -> 4.07kb (64.74%)
/graphs/static-cdn-for-our-websites/response-time-day.png -- 11.36kb -> 4.39kb (61.4%)
/graphs/golinks/response-time-week.png -- 16.50kb -> 13.58kb (17.69%)
/graphs/vaultwarden/response-time-week.png -- 16.65kb -> 14.07kb (15.5%)
/graphs/recap-time-dev-homepage/response-time-week.png -- 19.21kb -> 16.79kb (12.6%)
/graphs/vaultwarden/response-time-month.png -- 21.02kb -> 19.12kb (9.07%)
/graphs/golinks/response-time-month.png -- 28.56kb -> 26.56kb (7.02%)
/graphs/recap-time-dev-homepage/response-time.png -- 48.91kb -> 45.80kb (6.35%)
/graphs/golinks/response-time.png -- 43.70kb -> 41.13kb (5.88%)
/graphs/golinks/response-time-year.png -- 41.83kb -> 39.71kb (5.08%)
/assets/upptime-icon.svg -- 0.34kb -> 0.32kb (3.78%)
/graphs/static-cdn-for-our-websites/response-time-week.png -- 10.59kb -> 10.23kb (3.41%)
/graphs/recap-time-dev-homepage/response-time-month.png -- 22.81kb -> 22.29kb (2.26%)
/graphs/recap-time-dev-homepage/response-time-year.png -- 51.92kb -> 51.04kb (1.68%)
/graphs/static-cdn-for-our-websites/response-time.png -- 59.08kb -> 58.13kb (1.62%)
/graphs/static-cdn-for-our-websites/response-time-year.png -- 60.93kb -> 60.42kb (0.83%)
/graphs/vaultwarden/response-time-year.png -- 37.82kb -> 37.67kb (0.39%)

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