Update dependency undici to v6.21.2 [SECURITY]

Author: renovate[bot]

bin/example/bin/core-functions-toolbelt/package.json

@@ -11,6 +11,6 @@
   "dependencies": {
     "get-port": "7.1.0",
     "@jsforce/jsforce-node": "3.9.1",
-    "undici": "6.19.2"
+    "undici": "6.21.2"
   }
 }

package.json

@@ -43,7 +43,7 @@
     "set-interval-async": "^2.0.0",
     "systeminformation": "^5.27.6",
     "tty-table": "^4.2.3",
-    "undici": "6.19.2"
+    "undici": "6.21.2"
   },
   "devDependencies": {
     "@babel/core": "7.20.12",