fix(header.liquid): clarify alt text

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "coryd.dev",
-  "version": "8.2.0",
+  "version": "8.2.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "coryd.dev",
-      "version": "8.2.0",
+      "version": "8.2.1",
       "license": "MIT",
       "dependencies": {
         "minisearch": "^7.1.2",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "coryd.dev",
-  "version": "8.2.0",
+  "version": "8.2.1",
   "description": "The source for my personal site. Built using 11ty (and other tools).",
   "type": "module",
   "engines": {

src/includes/layout/header.liquid

@@ -6,7 +6,7 @@
     "
     sizes="(max-width: 450px) 100px, 200px"
     class="icon" src="{{ globals.avatar_header }}?class=w100&v={% appVersion %}"
-    alt="{{ globals.site_name }}"
+    alt="An avatar representing {{ globals.site_name }}"
     width="100"
     height="145"
   >