🚀 Update all icons to new standard

ℹ️ This commit updates the sizes of all icons to match the new standard, ensuring consistency throughout the project. The new sizes were determined after careful consideration and testing to improve the overall user experience. All icons have also gotten a SVG counterpart if possible.

svg/atlassian-opsgenie.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48"><path fill="url(#a)" d="M16.054 15.956a5.978 5.978 0 1 0 0-11.956 5.978 5.978 0 0 0 0 11.956z" transform="matrix(2 0 0 2 -8.108 -8)"/><path fill="url(#b)" d="M15.55 27.844a28.766 28.766 0 0 1-9.47-9.907c-.169-.336-.068-.739.268-.907h.034l4.533-2.216c.303-.168.706-.034.874.268a22.259 22.259 0 0 0 9.739 8.8 28.267 28.267 0 0 1-4.937 3.996c-.336.168-.739.168-1.04-.034z" transform="matrix(2 0 0 2 -8.108 -8)"/><path fill="#2684ff" d="M25.008 47.688a57.533 57.533 0 0 0 18.94-19.814c.337-.672.135-1.478-.537-1.814h-.067l-9.067-4.433c-.605-.336-1.41-.067-1.747.538C27.963 29.822 21.18 36 13.052 39.762c2.955 3.023 6.313 5.71 9.873 7.993.672.336 1.478.336 2.083-.067z"/><defs><linearGradient id="a" x1="16.057" x2="16.057" y1="5.979" y2="18.271" gradientUnits="userSpaceOnUse"><stop offset="0" stop-color="#2684FF"/><stop offset=".82" stop-color="#0052CC"/></linearGradient><linearGradient id="b" x1="12.368" x2="16.486" y1="17.927" y2="26.545" gradientUnits="userSpaceOnUse"><stop offset="0" stop-color="#2684FF"/><stop offset=".62" stop-color="#0052CC"/></linearGradient></defs></svg>