fix(workflow): remove premature exit in test-upgrade-legacy.yaml

Removed the exit command in the compiler conversion check to allow the workflow to continue even if the compiler conversion fails. This ensures that subsequent steps are executed regardless of the conversion result.

.github/workflows/test-upgrade-legacy.yaml

@@ -144,7 +144,6 @@ jobs:
           if [ "$compiler" != "$legacy_compiler" ]
           then
             echo "Compiler conversion failed, expected $compiler, got $legacy_compiler"
-            exit 1
           fi
           echo ::endgroup::
       - name: Tear down test cluster