trying with github_env again

.github/workflows/wheels.yml

@@ -24,16 +24,13 @@ jobs:
           New-Item -Path "C:\Program Files\" -Name "boost" -ItemType "directory"
           Invoke-WebRequest -Uri  https://boostorg.jfrog.io/artifactory/main/release/1.82.0/source/boost_1_82_0.zip -OutFile "C:\Program Files\boost\boost_1_82_0.zip"
           7z x -o"C:\Program Files\boost\" "C:\Program Files\boost\boost_1_82_0.zip"
-      - name: Set mac compiler
-        if: runner.os == 'macOS'
-	  env:
-	    CC: clang
-	    CXX: clang++
       - name: Install dependencies for Mac
         if: runner.os == 'macOS'
         run: |
           brew update
           brew install boost
+	  echo "CC=clang" >> "$GITHUB_ENV"
+	  echo "CXX=clang++" >> "$GITHUB_ENV"
       - name: Build wheels
         uses: pypa/[email protected]
         env: