Update dependency ejs to v5

Author: renovate[bot]

package.json

@@ -23,7 +23,7 @@
   "license": "Apache-2.0",
   "homepage": "https://netboot.xyz",
   "dependencies": {
-    "ejs": "3.1.10",
+    "ejs": "5.0.1",
     "express": "4.22.1",
     "http": "0.0.0",
     "isbinaryfile": "5.0.6",