ci: wheels for Linux are now built on Debian 10

.github/workflows/wheel.yml

@@ -69,7 +69,9 @@ jobs:
       matrix:
         python: [ "3.9", "3.10", "3.11", "3.12", "3.13" ]
 
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
+    container:
+      image: node:16-buster-slim
     steps:
       - name: Checkout Code
         uses: actions/checkout@v4
@@ -97,14 +99,13 @@ jobs:
           sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-${LLVM_VERSION} 100
           sudo update-alternatives --install /usr/bin/llvm-cov llvm-cov /usr/bin/llvm-cov-${LLVM_VERSION} 100
           sudo update-alternatives --install /usr/bin/ld ld /usr/bin/ld.lld-${LLVM_VERSION} 100
+          echo "CC=clang" >> $GITHUB_ENV
+          echo "CXX=clang++" >> $GITHUB_ENV
 
       - name: Set up CMake and Ninja
         uses: lukka/get-cmake@latest
 
       - name: Build Wheels
-        env:
-          CC: clang
-          CXX: clang++
         run: |
           python -m pip install -U pip
           pip install wheel