Use Composer v2 on CI (#503)

* Use Composer v2 on CI

* Use Composer v2 in one more place on CI

Author: bocharsky-bw

.github/workflows/ci.yml

@@ -29,7 +29,7 @@ jobs:
           tools: flex
 
       - name: Download dependencies
-        uses: ramsey/composer-install@v1
+        uses: ramsey/composer-install@v2
         env:
             SYMFONY_REQUIRE: ${{ matrix.sf_version }}
         with:

.github/workflows/static.yml

@@ -26,7 +26,7 @@ jobs:
           coverage: none
 
       - name: Download dependencies
-        uses: ramsey/composer-install@v1
+        uses: ramsey/composer-install@v2
         with:
           composer-options: --no-interaction --prefer-dist --optimize-autoloader