Update Font Awesome (#6290)

* Update Font Awesome

* Update Font Awesome source

* Update Font Awesome path

_data/simple-icons.json

@@ -3424,8 +3424,8 @@
         },
         {
             "title": "Font Awesome",
-            "hex": "339AF0",
-            "source": "https://fontawesome.com/icons/font-awesome"
+            "hex": "183153",
+            "source": "https://fontawesome.com/v5.15/icons/font-awesome-flag"
         },
         {
             "title": "FontBase",

icons/fontawesome.svg

@@ -1 +1 @@
-<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>Font Awesome</title><path d="M2.571 0A2.572 2.572 0 000 2.571V21.43A2.572 2.572 0 002.571 24H21.43A2.572 2.572 0 0024 21.429V2.57A2.572 2.572 0 0021.429 0zm4.324 4c.993 0 1.793.8 1.793 1.791A1.7 1.7 0 017.984 7.2v.993c.128-.043 1.836-.897 3.584-.897 2.04 0 3.053.865 3.968.865 1.217 0 2.56-.865 2.88-.865.257 0 .48.192.48.416v7.521c0 .224-.191.32-.415.416-.896.384-1.857.736-2.88.736-1.44 0-2.113-.896-3.841-.896-1.248 0-2.56.448-3.616.929-.064.032-.129.032-.193.064v2.432c0 .669-.503 1.088-1.056 1.088a1.08 1.08 0 01-1.088-1.088V7.199a1.789 1.789 0 01-.704-1.408C5.103 4.8 5.903 4 6.895 4Z"/></svg>
+<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>Font Awesome</title><path d="M24 .857v18c-3.375 1.232-4.393 1.714-6.375 1.714-3.375 0-4.66-1.714-8.036-1.714-1.071 0-1.928.214-2.732.429v-3.429c.804-.214 1.661-.428 2.732-.428 3.375 0 4.661 1.714 8.036 1.714 1.071 0 1.875-.16 2.946-.482V5.518C19.5 5.839 18.696 6 17.625 6c-3.375 0-4.66-1.714-8.036-1.714-2.732 0-4.017 1.125-6.16 1.553v16.447A1.693 1.693 0 011.714 24 1.693 1.693 0 010 22.286V1.714A1.693 1.693 0 011.714 0 1.693 1.693 0 013.43 1.714v.697C5.572 1.982 6.857.857 9.589.857c3.375 0 4.661 1.715 8.036 1.715 1.982 0 3-.483 6.375-1.715Z"/></svg>