fix(deps): update dependency simple-icons to ^15.19.0

Author: renovate[bot]

package.hugo.json

@@ -24,7 +24,7 @@
     "*.md": "markdownlint --fix"
   },
   "dependencies": {
-    "simple-icons": "^15.18.0"
+    "simple-icons": "^15.19.0"
   },
   "devDependencies": {
     "husky": "^9.1.7",