fix: suppress additional compiler warnings in platformio.ini

Author: andre-stefanov

platformio.ini

@@ -158,7 +158,9 @@ build_flags =
 	-Wshadow
 	-Wno-sign-conversion
 	-Wfloat-conversion
-	-Wno-mismatched-tags
+	-Wno-missing-template-arg-list-after-template-kw
+	-Wno-deprecated-literal-operator
+	-Wno-variadic-macro-arguments-omitted
 	-I unit_tests/test_common/fakes
 lib_deps =
 	ArduinoFake@^0.4.0