attempt at conditional #3

.github/workflows/build-and-test.yml

@@ -31,7 +31,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: install 32-bit
-        if: ${{ matrix.bits == "32" }}
+        if: matrix.bits == "32"
         run: |
           sudo apt update
           sudo apt -y install g++-multilib libc6:i386