Update dependency undici to v8.6.0

Author: renovate[bot]

package-lock.json

@@ -85,7 +85,7 @@
         "lodash": "4.18.1",
         "file-type": "22.0.0",
         "dompurify": "3.4.11",
-        "undici": "8.5.0",
+        "undici": "8.6.0",
         "yaml": "2.9.0",
         "@esbuild-kit/core-utils": {
             "esbuild": "0.28.1"