Revert "Update default SUSHI version"

This reverts commit 983d737.

Author: alexzautke

.github/workflows/main.yml

@@ -41,7 +41,7 @@ jobs:
           SIMPLIFIER_USERNAME: ${{ secrets.SIMPLIFIER_USERNAME }}
           SIMPLIFIER_PASSWORD: ${{ secrets.SIMPLIFIER_PASSWORD }}
           SUSHI_ENABLED: true
-          SUSHI_VERSION: 3.12.1
+          SUSHI_VERSION: 3.5.0
           SUSHI_OPTIONS: Resources/
           EXPECTED_FAILS: VALIDATION_CONFORMANCE_DOTNET VALIDATION_CONFORMANCE_JAVA VALIDATION_EXAMPLES_JAVA