github: install setuptools and wheel before building.

.github/workflows/test.yml

@@ -31,7 +31,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          pip install build coverage pytest
+          pip install build coverage pytest setuptools wheel
           if ! [ -x "$(command -v gcov)" ] ||
              ! pkg-config --exists flac 2>/dev/null; then
               sudo apt-get update