Update Makefile

use xargs to align it with other find commands

Co-authored-by: Livia Medeiros <livia@cirno.name>

Makefile

@@ -269,7 +269,7 @@ coverage-build-js: ## Build JavaScript coverage files.
 .PHONY: coverage-test
 coverage-test: coverage-build ## Run the tests and generate a coverage report.
 	@if [ -d "out/Release/obj.target" ]; then \
-		$(FIND) out/$(BUILDTYPE)/obj.target -name "*.gcda" -type f -exec $(RM) {} \; ; \
+		$(FIND) out/$(BUILDTYPE)/obj.target -name "*.gcda" -type f | xargs $(RM); \
 	fi
 	-NODE_V8_COVERAGE=coverage/tmp \
 		TEST_CI_ARGS="$(TEST_CI_ARGS) --type=coverage" $(MAKE) $(COVTESTS)