Fix compiler tests

ondrejmirtes · ondrejmirtes · commit d7957d80f375 · 2020-10-24T14:43:17.000+02:00
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -338,6 +338,7 @@ jobs:
         with:
           coverage: "none"
           php-version: "${{ matrix.php-version }}"
+          tools: composer:v1
 
       - name: "Cache dependencies"
         uses: "actions/cache@v2"
