[ImgBot] Optimize images

*Total -- 429.85kb -> 382.75kb (10.96%)

/graphs/static-cdn-for-our-websites/response-time-day.png -- 11.66kb -> 3.09kb (73.5%)
/graphs/recap-time-dev-homepage/response-time-day.png -- 11.56kb -> 3.80kb (67.16%)
/graphs/vaultwarden/response-time-day.png -- 11.67kb -> 4.22kb (63.86%)
/graphs/golinks/response-time-day.png -- 10.35kb -> 3.76kb (63.71%)
/graphs/golinks/response-time-week.png -- 15.34kb -> 12.81kb (16.52%)
/graphs/vaultwarden/response-time-week.png -- 18.17kb -> 15.56kb (14.4%)
/graphs/static-cdn-for-our-websites/response-time-week.png -- 21.65kb -> 20.26kb (6.42%)
/graphs/golinks/response-time-year.png -- 37.29kb -> 35.35kb (5.18%)
/graphs/recap-time-dev-homepage/response-time-week.png -- 14.52kb -> 13.78kb (5.09%)
/graphs/vaultwarden/response-time-month.png -- 16.98kb -> 16.14kb (4.96%)
/graphs/golinks/response-time.png -- 39.41kb -> 37.56kb (4.7%)
/assets/upptime-icon.svg -- 0.34kb -> 0.32kb (3.78%)
/graphs/recap-time-dev-homepage/response-time.png -- 41.87kb -> 40.46kb (3.37%)
/graphs/golinks/response-time-month.png -- 19.88kb -> 19.22kb (3.29%)
/graphs/static-cdn-for-our-websites/response-time.png -- 48.16kb -> 46.80kb (2.83%)
/graphs/recap-time-dev-homepage/response-time-year.png -- 41.64kb -> 40.81kb (2%)
/graphs/recap-time-dev-homepage/response-time-month.png -- 20.92kb -> 20.53kb (1.91%)
/graphs/static-cdn-for-our-websites/response-time-year.png -- 48.44kb -> 48.29kb (0.31%)

Signed-off-by: ImgBotApp <[email protected]>

Author: ImgBotApp