Bump undici from 5.21.0 to 5.26.3 in /scripts/sponsors (#2987)

Bumps [undici](https://github.com/nodejs/undici) from 5.21.0 to 5.26.3.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](https://github.com/nodejs/undici/compare/v5.21.0...v5.26.3)

---
updated-dependencies:
- dependency-name: undici
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Lea Anthony <lea.anthony@gmail.com>

scripts/sponsors/package-lock.json

@@ -20,6 +20,14 @@
         "url": "https://github.com/sponsors/antfu"
       }
     },
+    "node_modules/@fastify/busboy": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@fastify/busboy/-/busboy-2.0.0.tgz",
+      "integrity": "sha512-JUFJad5lv7jxj926GPgymrWQxxjPYuJNiNjNMzqT+HiuP6Vl3dk5xzG+8sTX96np0ZAluvaMzPsjhHZ5rNuNQQ==",
+      "engines": {
+        "node": ">=14"
+      }
+    },
     "node_modules/ajv": {
       "version": "6.12.6",
       "resolved": "https://registry.npmmirror.com/ajv/-/ajv-6.12.6.tgz",
@@ -196,17 +204,6 @@
         "ieee754": "^1.1.13"
       }
     },
-    "node_modules/busboy": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmmirror.com/busboy/-/busboy-1.6.0.tgz",
-      "integrity": "sha512-8SFQbg/0hQ9xy3UNTB0YEnsNBbWfhf7RtnzpL7TkBiTBRfrQ9Fxcnz7VJsleJpyp6rVLvXiuORqjlHi5q+PYuA==",
-      "dependencies": {
-        "streamsearch": "^1.1.0"
-      },
-      "engines": {
-        "node": ">=10.16.0"
-      }
-    },
     "node_modules/camelcase": {
       "version": "4.1.0",
       "resolved": "https://registry.npmmirror.com/camelcase/-/camelcase-4.1.0.tgz",
@@ -1584,14 +1581,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/streamsearch": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmmirror.com/streamsearch/-/streamsearch-1.1.0.tgz",
-      "integrity": "sha512-Mcc5wHehp9aXz1ax6bZUyY5afg9u2rv5cqQI3mRrYkGC8rW2hM02jWuwjtL++LS5qinSyhj2QfLyNsuc+VsExg==",
-      "engines": {
-        "node": ">=10.0.0"
-      }
-    },
     "node_modules/string_decoder": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
@@ -1781,14 +1770,14 @@
       }
     },
     "node_modules/undici": {
-      "version": "5.21.0",
+      "version": "5.26.3",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-5.21.0.tgz",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-5.26.3.tgz",
-      "integrity": "sha512-HOjK8l6a57b2ZGXOcUsI5NLfoTrfmbOl90ixJDl0AEFG4wgHNDQxtZy15/ZQp7HhjkpaGlp/eneMgtsu1dIlUA==",
+      "integrity": "sha512-H7n2zmKEWgOllKkIUkLvFmsJQj062lSm3uA4EYApG8gLuiOM0/go9bIoC3HVaSnfg4xunowDE2i9p8drkXuvDw==",
       "dependencies": {
-        "busboy": "^1.6.0"
+        "@fastify/busboy": "^2.0.0"
       },
       "engines": {
-        "node": ">=12.18"
+        "node": ">=14.0"
       }
     },
     "node_modules/universalify": {