Update General Motors (#4741)

_data/simple-icons.json

@@ -2667,8 +2667,8 @@
         },
         {
             "title": "General Motors",
-            "hex": "22559E",
-            "source": "https://commons.wikimedia.org/wiki/File:General_Motors_logo.svg"
+            "hex": "0170CE",
+            "source": "https://www.gm.com"
         },
         {
             "title": "Genius",

icons/generalmotors.svg

@@ -1 +1 @@
-<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>General Motors icon</title><path d="M0 .002v23.996h24V.002zm8.254 5.836c2.293 0 2.293 1.788 2.293 2.412v.636H9.176V8.25c0-.345 0-1.177-.9-1.177-.89 0-.89.818-.89 1.177v4.415c0 .692.214 1.216.89 1.216.674 0 .9-.492.9-1.216v-1.427H8.39v-1.084h2.157v4.884l-1.326-.013v-.479c-.113.183-.647.662-1.414.661-1.296-.009-1.796-.905-1.796-2.272V8.25c0-.37 0-2.412 2.243-2.412zm3.703.186h2.028l.993 6.597 1.015-6.597h2.006v9.014h-1.337V8.25l-1.127 6.788H14.38L13.292 8.25v6.775h-1.335zM6.003 16.072H18.01v1.949H6.003Z"/></svg>
+<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>General Motors icon</title><path d="M3.34 0A3.345 3.345 0 0 0 0 3.34v17.32A3.345 3.345 0 0 0 3.34 24h17.32A3.345 3.345 0 0 0 24 20.66V3.34C23.982 1.5 22.501 0 20.66 0zm0 1.535h17.32c.992 0 1.805.813 1.805 1.806v17.3c0 .993-.813 1.806-1.806 1.806H3.341a1.811 1.811 0 0 1-1.806-1.806v-17.3c0-.993.813-1.806 1.806-1.806zm2.98 4.677A1.877 1.877 0 0 0 4.442 8.09v4.569c0 1.03.85 1.86 1.879 1.878h1.552v.343c-.018.85-.505 1.337-1.679 1.355h-.74v1.535h.74c2.167 0 3.395-1.03 3.431-2.908v-8.65zm4.623 0v8.307h1.752V7.73h1.68v6.79h1.752V7.73h1.01c.362 0 .669.289.669.668v6.14h1.752V8.09c-.018-1.029-.85-1.878-1.879-1.878zM6.863 7.73h1.01v5.273h-1.01a.666.666 0 0 1-.669-.668V8.397c0-.36.29-.668.668-.668zm4.08 8.506v1.535h8.596v-1.535z"/></svg>