chore(deps): bump undici from 6.25.0 to 6.29.0 in /packages/tool-cache

Bumps [undici](https://github.com/nodejs/undici) from 6.25.0 to 6.29.0.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](https://github.com/nodejs/undici/compare/v6.25.0...v6.29.0)

---
updated-dependencies:
- dependency-name: undici
  dependency-version: 6.29.0
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

package-lock.json

@@ -141,9 +141,9 @@
       }
     },
     "node_modules/undici": {
-      "version": "6.25.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-6.25.0.tgz",
-      "integrity": "sha512-ZgpWDC5gmNiuY9CnLVXEH8rl50xhRCuLNA97fAUnKi8RRuV4E6KG31pDTsLVUKnohJE0I3XDrTeEydAXRw47xg==",
+      "version": "6.29.0",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-6.29.0.tgz",
+      "integrity": "sha512-R+RODBqp6i2pPflGdq+xIOUkl+RNfGgHwoinecKu/JCuf2uO06cOKoDbI2P7Dn6KcswdKwrczbU6IYJ6K8X+wg==",
       "license": "MIT",
       "engines": {
         "node": ">=18.17"