[HTML] Use svg variants of Twemoji for better resize quality

DiscordChatExporter.Core/Discord/Data/Emoji.cs

@@ -57,7 +57,7 @@ namespace DiscordChatExporter.Core.Discord.Data
 
             // Standard emoji
             var twemojiName = GetTwemojiName(name);
-            return $"https://twemoji.maxcdn.com/2/72x72/{twemojiName}.png";
+            return $"https://twemoji.maxcdn.com/2/svg/{twemojiName}.svg";
         }
 
         public static Emoji Parse(JsonElement json)

DiscordChatExporter.Core/Exporting/Writers/Html/Core.css

@@ -146,8 +146,8 @@ img {
 }
 
 .emoji {
-    width: 1.25em;
-    height: 1.25em;
+    width: 1.325em;
+    height: 1.325em;
     margin: 0 0.06em;
     vertical-align: -0.4em;
 }
@@ -256,8 +256,8 @@ img {
 }
 
 .chatlog__reference-content > .emoji {
-    width: 1.25em;
-    height: 1.25em;
+    width: 1.325em;
+    height: 1.325em;
 }
 
 .chatlog__reference-edited-timestamp {