build(deps-dev): bump undici from 6.21.2 to 6.21.3 (#3957)

Bumps [undici](https://github.com/nodejs/undici) from 6.21.2 to 6.21.3.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](https://github.com/nodejs/undici/compare/v6.21.2...v6.21.3)

---
updated-dependencies:
- dependency-name: undici
  dependency-version: 6.21.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package-lock.json

@@ -38,7 +38,7 @@
         "prettier": "^3.5.3",
         "ts-jest": "^29.3.2",
         "typescript": "^5.8.3",
-        "undici": "^6.21.2"
+        "undici": "^6.21.3"
       }
     },
     "node_modules/@actions/core": {
@@ -8237,9 +8237,9 @@
       }
     },
     "node_modules/undici": {
-      "version": "6.21.2",
+      "version": "6.21.3",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-6.21.2.tgz",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-6.21.3.tgz",
-      "integrity": "sha512-uROZWze0R0itiAKVPsYhFov9LxrPMHLMEQFszeI2gCN6bnIIZ8twzBCJcN2LJrBBLfrP0t1FW0g+JmKVl8Vk1g==",
+      "integrity": "sha512-gBLkYIlEnSp8pFbT64yFgGE6UIB9tAkhukC23PmMDCe5Nd+cRqKxSjw5y54MK2AZMgZfJWMaNE4nYUHgi1XEOw==",
       "dev": true,
       "license": "MIT",
       "engines": {

package.json

@@ -58,6 +58,6 @@
     "prettier": "^3.5.3",
     "ts-jest": "^29.3.2",
     "typescript": "^5.8.3",
-    "undici": "^6.21.2"
+    "undici": "^6.21.3"
   }
 }