ci: node nightly test should use node 23 (#3248)

Author: Uzlopak

.github/workflows/nightly.yml

@@ -13,23 +13,23 @@ jobs:
     if: github.repository == 'nodejs/undici'
     uses: ./.github/workflows/test.yml
     with:
-      node-version: 22-nightly
+      node-version: 23-nightly
       runs-on: ubuntu-latest
     secrets: inherit
 
   test-windows:
     if: github.repository == 'nodejs/undici'
     uses: ./.github/workflows/test.yml
     with:
-      node-version: 22-nightly
+      node-version: 23-nightly
       runs-on: windows-latest
     secrets: inherit
 
   test-macos:
     if: github.repository == 'nodejs/undici'
     uses: ./.github/workflows/test.yml
     with:
-      node-version: 22-nightly
+      node-version: 23-nightly
       runs-on: macos-latest
     secrets: inherit