Update arXiv (#7804)

_data/simple-icons.json

@@ -1133,7 +1133,8 @@
         {
             "title": "arXiv",
             "hex": "B31B1B",
-            "source": "https://static.arxiv.org/static/base/0.15.2/images/arxiv-logo-web.svg"
+            "source": "https://arxiv.org",
+            "guidelines": "https://arxiv.org/about/brand"
         },
         {
             "title": "Asana",

icons/arxiv.svg

@@ -1 +1 @@
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+<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>arXiv</title><path d="M3.8423 0a1.0037 1.0037 0 0 0-.922.6078c-.1536.3687-.0438.6275.2938 1.1113l6.9185 8.3597-1.0223 1.1058a1.0393 1.0393 0 0 0 .003 1.4229l1.2292 1.3135-5.4391 6.4444c-.2803.299-.4538.823-.2971 1.1986a1.0253 1.0253 0 0 0 .9585.635.9133.9133 0 0 0 .6891-.3405l5.783-6.126 7.4902 8.0051a.8527.8527 0 0 0 .6835.2597.9575.9575 0 0 0 .8777-.6138c.1577-.377-.017-.7502-.306-1.1407l-7.0518-8.3418 1.0632-1.13a.9626.9626 0 0 0 .0089-1.3165L4.6336.4639s-.3733-.4535-.768-.463zm0 .272h.0166c.2179.0052.4874.2715.5644.3639l.005.006.0052.0055 10.169 10.9905a.6915.6915 0 0 1-.0072.945l-1.0666 1.133-1.4982-1.7724-8.5994-10.39c-.3286-.472-.352-.6183-.2592-.841a.7307.7307 0 0 1 .6704-.4401Zm14.341 1.5701a.877.877 0 0 0-.6554.2418l-5.6962 6.1584 1.6944 1.8319 5.3089-6.5138c.3251-.4335.479-.6603.3247-1.0292a1.1205 1.1205 0 0 0-.9763-.689zm-7.6557 12.2823 1.3186 1.4135-5.7864 6.1295a.6494.6494 0 0 1-.4959.26.7516.7516 0 0 1-.706-.4669c-.1119-.2682.0359-.6864.2442-.9083l.0051-.0055.0047-.0055z"/></svg>