Bump undici from 6.29.0 to 6.29.1

Bumps [undici](https://github.com/nodejs/undici) from 6.29.0 to 6.29.1.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](https://github.com/nodejs/undici/compare/v6.29.0...v6.29.1)

---
updated-dependencies:
- dependency-name: undici
  dependency-version: 6.29.1
  dependency-type: indirect
...

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

__tests__/data/requirements-linux.txt

@@ -1,4 +1,4 @@
-certifi==2026.10.19
+certifi==2024.7.4
 chardet==3.0.4
 docutils==0.16
 idna==3.15

__tests__/data/requirements.txt

@@ -1,6 +1,6 @@
 altgraph==0.17.2
 
-certifi==2026.10.19
+certifi==2024.7.4
 
 chardet==3.0.4
 

package-lock.json

@@ -6019,9 +6019,9 @@
       }
     },
     "node_modules/undici": {
-      "version": "6.29.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-6.29.0.tgz",
-      "integrity": "sha512-R+RODBqp6i2pPflGdq+xIOUkl+RNfGgHwoinecKu/JCuf2uO06cOKoDbI2P7Dn6KcswdKwrczbU6IYJ6K8X+wg==",
+      "version": "6.29.1",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-6.29.1.tgz",
+      "integrity": "sha512-EvRlUt/QqAEvXdQeRMYUfwOQsfzpDztykrG2owGEE/rBOBoYv9uF39ZzsNDh4lTFHhTr2XOZjKkYgueD12ZmGA==",
       "license": "MIT",
       "engines": {
         "node": ">=18.17"