Add PHP 5.1 to ELSRTechnology runtimes list

Author: claude

docs/.vuepress/components/ELSRTechnology.vue

@@ -79,7 +79,7 @@ const runtimes = [
   },
   {
     name: "PHP",
-    versions: "5.2 | 5.3 | 5.4 | 5.5 | 5.6 | 7.0 | 7.1 | 7.2 | 7.3 | 7.4 | 8.0 | 8.1 | 8.2",
+    versions: "5.1 | 5.2 | 5.3 | 5.4 | 5.5 | 5.6 | 7.0 | 7.1 | 7.2 | 7.3 | 7.4 | 8.0 | 8.1 | 8.2",
     link: "./php/",
     icon: "/images/php.webp",
   },