gh-118039: Fix config.cache key on WASI (#118137)

.github/workflows/build.yml

@@ -137,6 +137,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: config.cache
+          # Include env.pythonLocation in key to avoid changes in environment when setup-python updates Python
           key: ${{ github.job }}-${{ runner.os }}-${{ env.IMAGE_VERSION }}-${{ needs.check_source.outputs.config_hash }}-${{ env.pythonLocation }}
       - name: Install Dependencies
         run: sudo ./.github/workflows/posix-deps-apt.sh