Fix disabled validator build step

Author: Jeremiah VALERIE

.github/workflows/ci.yml

@@ -87,6 +87,10 @@ jobs:
         if: matrix.graphql-version != ''
         run: composer req "webonyx/graphql-php:${{ matrix.graphql-version }}" --dev --no-update
 
+      - name: "Disabled validator if needed"
+        if: matrix.validator == false
+        run: composer remove "symfony/validator" --dev --no-update;
+
       - name: "Install dependencies"
         run: composer update --no-interaction --no-progress ${{ matrix.composer-flags }}
 
@@ -98,10 +102,6 @@ jobs:
         if: matrix.symfony-deprecation-helper != ''
         run: export SYMFONY_DEPRECATIONS_HELPER=${{ matrix.symfony-deprecation-helper }}
 
-      - name: "Disabled validor if needed"
-        if: matrix.validator == false
-        run: export VALIDATOR=0
-
       - name: "Run tests"
         run: composer test